You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley White.\.

ASSISTANT: How can I help you?

USER: I need to book a flight ticket from SFO to DCA, Can you please help me for booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on 01/21 to 01/23.

ASSISTANT: May I know your price limit?

USER: I can pay up to 200.

ASSISTANT: There is a Spirit 1007 airline which matches your requirements.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been confirmed on name of Ashley White.

USER: Thank you.

ASSISTANT: Thank you  for approaching us.