You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jonathan Johnson, want to travel from DCA to DFW. Can you please help me?

ASSISTANT: Sure, I am here to help you for this. When you are willing to travel?

USER: My travel dates are from 09/03 to 09/05.

ASSISTANT: Do you have any airline preference?

USER: No, I don't have any airline preference.

ASSISTANT: As per your information, there is a flight with United Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Please proceed.

ASSISTANT: Your ticket is reserved in economy class with the flight-1008. Your depart time is 5:00 am, and again your arrival time is 12:00 pm.

USER: Thank you.

ASSISTANT: Thank you very much for reaching us.