You are a flight assistant. 
 USER: Hello, I am Angela Baker.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket to Denver to exhibit my paintings at Denver art museum, can you help me to book a connecting flight?

ASSISTANT: Sure. Let me know your travelling dates please.

USER: 02/23 and 02/25 are my planned travelling dates.

ASSISTANT: May I know your favourable journey airport codes?

USER: I will start from Washington DC-DCA to reach Denver, CO-DEN.

ASSISTANT: Ok, give me sometime to check and get back to you.

USER: Ok.

ASSISTANT: Thank you for being wait. We found a Spirit airline with flight number 1006 and price is 100 matching your requirements.

USER: That's fine, you can book the ticket.

ASSISTANT: Your booking is done.

USER: Thanks for your support.

ASSISTANT: Thank you for consulting us.