I was talking to my friend Mary . So I ended back on my original plane with United in business class , 1 free ticket , and 1 round trip on IAH train . So Leslie picked me up from the airport . Do n't slam her car doors .... she gets pissy . We meet dad for a long lunch at Champ 's and then head home .

Question with options to choose from: Based on the call letters , the ticket is either to or from what city 's airport ?
Select from the following. a. None of the above choices . b. Houston c. Las Vegas d. Chicago
b.