Gregory: Will you be able to come to my birthday party on 6th January?
Mike: 6th?
Mike: Damn  man. I'm sorry. I'll be in Germany then.
Gregory: Germany?
Mike: We're going for a trade show to represent our company
Mike: Father asked me, my sister and my brother-in-law to represent our family business.
Mike: We're leaving on 3rd of January and return on 9th.
Gregory: Well, that's a shame.
Gregory: I counted you in already...
Gregory: I'll check with others if I can postpone it and make the party 1 week later.
Mike: Would be great,
Mike: Then I will surely be able to come.
Gregory: Will keep you updated
Mike: Thanks homie
Mike is travelling to Germany for business from the 3rd till the 9th of January. Gregory will try and postpone his birthday party one week so that Mike can join.