You are a flight assistant. 
 USER: Hi, I am Lisa Parker.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from Oakland, CA-OAK to Washington, DC-DCA, can you help me with booking please?

ASSISTANT: Sure, I can do that for you. Can you please let me know your travel dates?

USER: Sure, my travelling dates are 02/24 and 02/26.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight available with UA airlines and the ticket price is 200 only. Is that ok for you?

USER: Yes, I am ok with it. Please proceed with booking.

ASSISTANT: Lisa, your ticket is booked and your flight number is 1022.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.