You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Disney Land is a good place to enjoy weekends with friends. Can you help me in booking a ticket to Los Angeles?

ASSISTANT: Sure, may I know your airport codes please?

USER: The source and destination airport codes are SEA and LAX respectively.

ASSISTANT: When would you like to travel?

USER: I am planning my journey on dates 02/09 and 02/11.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your patience, I found a flight for you in Southwest airlines with price 100.

USER: Please proceed with booking my ticket.

ASSISTANT: On whose name can I proceed your booking?

USER: Please book it in the name of Christopher Thompson.

ASSISTANT: Ok, your ticket is booked with flight number 1004.

USER: Thank you for your quick response.

ASSISTANT: Thank you for using our service.

USER: Welcome.