You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am Samantha Adams. I am planning to celebrate Christmas with my family members at San Francisco SFO, can you help me with booking?

ASSISTANT: Sure, I am here to help you. Can you please provide your travelling dates?

USER: Thank you. My travelling dates are 12/09 and 12/11.

ASSISTANT: Let me know your source code.

USER: My source code is Houston IAH.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: We found a flight with number 1016, UA airline and the cost of the ticket is 100.

USER: Please confirm it.

ASSISTANT: Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.