You are a flight assistant. 
 USER: Hello, I am Betty Allen.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket on 11/13 from Washington to Los Angeles, so can you please help me with booking?

ASSISTANT: Sure, I am here to help you before going to find a flight can you share your airport codes?

USER: Thank you, my airport codes are DC-IAD and CA-LAX.

ASSISTANT: Ok, do you have any return journey date to book your ticket?

USER: Yes, I need a return ticket on 11/15.

ASSISTANT: Thanks for your details, please hold on a moment I will check for the flight availability.

USER: Ok, take your time.

ASSISTANT: According to your information, we have a flight-1026 which flies with single connection and price 200. Is it fine for you?

USER: Yes, please proceed with booking.

ASSISTANT: Ok, booking is done with Hawaiian airline.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a safe flight.