You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Scott.

ASSISTANT: How can I aid you?

USER: I am looking for a flight from DCA to SFO, can you help me out?

ASSISTANT: Sure, I am glad to help you in booking the flight ticket.

USER: Sure, my trip dates are from 05/22 till 05/24.

ASSISTANT: Thank you for the information.

USER: My pleasure.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER: Please proceed with it.

ASSISTANT: Your ticket has been confirmed for the flight 1002 in Southwest airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.