You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samantha Clark.

ASSISTANT: How can I help you?

USER: It's a round trip, My airport code is SFO. Can you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 02/15 to 02/17.

ASSISTANT: Please mention your price limit?

USER: I can spend up to 200.

ASSISTANT: There is a UA 1005 airline which matches your requirements. Shall I proceed with booking?

USER: You can book it.

ASSISTANT: Your booking has been confirmed on name of  Samantha Clark.

USER: Thank you.

ASSISTANT: Thank you for approaching us.