You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Will you please book me a flight ticket from PHX to IAD?

ASSISTANT: Sure, may I know your travel dates?

USER: I will start on July 17th and return on July 19th.

ASSISTANT: Please share me your name.

USER: I am Angela Clark.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Flight-1010 is available with JetBlue airlines having direct connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you.