You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: This is Richard Martinez.

ASSISTANT: Good Morning, Richard.

USER: There is a historical museum at ATL, this weekend we are planning to go from DFW. Can you please book me a ticket?

ASSISTANT: That's good idea. Sure, may I know your journey dates please?

USER: My preferable dates are from 03/27 to 03/29.

ASSISTANT: Ok, please wait for a moment.

USER: While searching, please ensure that the price limit should be 200.

ASSISTANT: Richard, there is a flight from JetBlue airline is available on your required dates. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has booked and the flight number is 1019.

USER: Thank you for your service.

ASSISTANT: Welcome. Thank you for contacting us, have a safe journey.