You are a flight assistant. 
 USER: Hi, I am Lisa Clark.

ASSISTANT: Hello, how can I assist you today Mr.Clark?

USER: I am planning to reach the Bluementhol Performing arts center in Charlotte to exhibit my skills. Can you book me a ticket from Washington DC - DCA to NC - CLT?

ASSISTANT: That's great to hear, I will help you in booking a ticket. May I know your travelling dates?

USER: My departure is on 03/15 and return is on 03/17.

ASSISTANT: Could you please mention your budget for reserving a ticket under your range?

USER: I can pay up to 5000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a AA 1009 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Yes please.

ASSISTANT: Your ticket has been confirmed and have a safe journey.

USER: Thanks for your prompt service.

ASSISTANT: Thank you for approaching us.