You are a flight assistant. 
 USER: Hello,. I am Debra Campbell.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend National Cherry Blossom Festival in Washington, DCA. Can you please book  a flight within the fare of 200?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are, depart on 02/01 and arrival on 02/03.

ASSISTANT: May I know your source point?

USER: My source point is Boston, BOS.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1005 and price is 100.

USER: That's perfect, make it confirm.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.