You are a flight assistant. 
 USER: Hello, I am Elizabeth Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I would like to participate in a mobile food distribution event, will be conducted by soldiers at Houston, HOU. Can you please make a reservation from Detroit, DTW?

ASSISTANT: Sure, may I know your dates of travel?

USER: My journey start on 05/13 and need to catch return flight on 05/15. I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Spirit with flight 1000 having a fare 100 with halt. Sorry, there were no direct flights available from your source.

USER: Do not proceed with the booking.

ASSISTANT: Ok.

USER: Thanks for the information.

ASSISTANT: Thank you for opting us.