You are a flight assistant. 
 USER: Hello, I am Rachel Mitchell.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to go for twilight tour along with my parents on 11/28. Can you please aid me in booking a flight ticket?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please share me your airport codes?

USER: I would like to fly from Seattle, SEA. Washington, DCA is my landing point of journey.

ASSISTANT: May I know your return date?

USER: My return will be on 11/30.

ASSISTANT: How much can you afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: Ok, please wait a second.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is UA with price 200 and single connection. Shall I proceed with booking?

USER: Yes, you can proceed to book.

ASSISTANT: Your booking is done and flight number is 1013.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.