You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel Houston to meet my uncle. Can you please help me in reserving the ticket from SFO to IAH?

ASSISTANT: Sure, help me with the trip dates?

USER: I am planning my trip on Sept 16 and again I will return back on Sept 18.

ASSISTANT: Do you have any class preferences?

USER: My class preference is economy.

ASSISTANT: Let me know your connection limit?

USER: I am flexible with single connection.

ASSISTANT: May I know your name please?

USER: Myself Charles Johnson.

ASSISTANT: We found a flight in an airline Spirit with 1018 number having a single connection price of 200 in an economy class. Shall I reserve it?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us. Have a safe flight.

USER: You are welcome.