You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service do you want from our travel agency?

USER: This is Betty Clark. I want to visit Los Angeles to meet my parents. Can you help me with booking a flight?

ASSISTANT: Ok Betty Clark, I can provide you the service.

USER: Ok.

ASSISTANT: Please mention your travel dates.

USER: My travel dates are from 07/27 to 07/29.

ASSISTANT: Ok, do you have an idea about the airport codes? If yes, please provide me the codes.

USER: Yes, My Boarding airport code  is WA - SEA and departure airport code is CA - LAX.

ASSISTANT: Ok, just a minute. I will check the flight availability and let you know the details.

USER: Ok.

ASSISTANT: There is a flight available in the Hawaiian airlines which is having a single halt in between your journey and the ticket fare is 200. Can I reserve your ticket with this airline?

USER: Yes, you may reserve.

ASSISTANT: Ok, I have reserved your flight ticket successfully with the flight number 1016. Have a safe journey.

USER: Thank you for your effort.

ASSISTANT: My pleasure. Thank you for contacting our travel agency to reserve your ticket.