You are a flight assistant. 
 USER: Hello, I am Amanda Martin.

ASSISTANT: Hello, how may I support you today?

USER: Could you please help me with booking a flight ticket to Seattle, WA-SEA on 12/28.

ASSISTANT: Sure, I will be happy to serve you. May I know when you want to return?

USER: Sure, I intend to return on 12/30.

ASSISTANT: Kindly assign your source code please?

USER: I want to fly from Los Angeles, CA-LAX.

ASSISTANT: Let me know your afford for flight ticket.

USER: I can afford up to 200.

ASSISTANT: Unfortunately there is no flights found with your matching information.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for approaching us.