You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Lisa Johnson.

ASSISTANT: How can I render you?

USER: I am a sports player. I want to help for the poor people at Houston, IAH. Can you help me in my booking?

ASSISTANT: Sure.

USER: My journey dates are from 07/19 to 07/21.

ASSISTANT: Let me know your source code.

USER: My source airport code is TX - DFW.

ASSISTANT: Thanks for waiting, there is a flight with airline:Frontier, flight number:1029, 1 connection.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.