You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from Washington, DC - DCA to attend a live concert at Philadelphia, PA - PHL. Can you help me with the booking?

ASSISTANT: Sure, I will help you. May I know your travel dates?

USER: My dates of travel are 02/13 and 02/15.

ASSISTANT: How much you can afford for this ticket?

USER: I can pay up-to 1000.

ASSISTANT: On which name would you like to reserve this ticket?

USER: On the name of Michael Campbell.

ASSISTANT: Unfortunately we could not found any flight on your details.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you.