You are a flight assistant. 
 USER: Hello. I am Justin Thompson.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket to Denver, DEN to visit my grand parent's home?

ASSISTANT: Sure, may I know your boarding point?

USER: I would like to board from Washington, IAD.

ASSISTANT: Can you please share your planned travel dates?

USER: I am planning to travel on 11/15 and return on 11/17.

ASSISTANT: May I know your price limit?

USER: 1000 is my fare limit.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found an AA airline, flight number: 1005, price: 200 with one connection.

USER: You can confirm my reservation with this flight.

ASSISTANT: Ok, your flight ticket has been reserved in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.