You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from IAD to DFW as a holiday trip.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure, I am here to help you. Your good name please?

USER: Joseph Lopez here.

ASSISTANT: May I know your planned journey dates?

USER: My trip dates are 01/01 and 01/03.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for being patience. There is  flight available with fare 200 and single connection in Delta airline. Shall I confirm it?

USER: Go ahead.

ASSISTANT: Your reservation has been confirmed with flight number 1004.

USER: Thank you.

ASSISTANT: Thank you.