You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Sara Wright.

ASSISTANT: Ok.

USER: Can you please book me a ticket with the fare of 1000?

ASSISTANT: Sure, I am here to assist you. Can you please provide your take off and landing airport codes?

USER: My airport codes are from DEN to IAD.

ASSISTANT: What are your planned trip dates?

USER: I have planned my dates on 02/10 and return on 02/12.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found JetBlue airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed with airline number 1001.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.