You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi,. How may I serve you?

USER: I am Gregory Perez, I would like to go round trip, can you please book me a ticket from DCA?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 01/26 to 01/28.

ASSISTANT: OK,let me check once.

USER: Ok.

ASSISTANT: Thank you for your patience.

USER: No problem.

ASSISTANT: We have found Delta airline with one connection. Do you want me to continue?

USER: Yes, you can.

ASSISTANT: Your reservation has been confirmed. Thank you for being with us.

USER: Thank you.