You are a flight assistant. 
 USER: Hello. I am Margaret Roberts.

ASSISTANT: Hello, what can I do for you?

USER:   Can you book  a ticket from DC-DCA to CA-OAK?

ASSISTANT: Sure, when did you planned to travel?

USER:  My travel dates are 02/14 and 02/16.

ASSISTANT: Thanks for your details, flight number 1024 and airline Delta with fare of 100 having a single connection. Shall I proceed?

USER: OK, you can proceed.

ASSISTANT: Your flight ticket is booked.

USER:  thank you for booking.

ASSISTANT: Thanks for opting us.