You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brandon Lee.

ASSISTANT: Lee, how can I aid you today?

USER: I want to book a ticket from HOU to PHL, can you reserve a seat for me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Ok, my trip dates are from Jan 13 and Jan 15.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with UA airline and it costs you 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with 1007 flight number.

USER: Thanks for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.