You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Jacob Lewis. I need to book a flight ticket from DCA to SFO. Could you help me in booking?

ASSISTANT: Sure, let me know your trip dates?

USER: My journey dates are from 03/17 to 03/19.

ASSISTANT: We found a flight in an airline Delta with 1006 number having a single connection price of 200. Shall I reserve?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing with us.