Hello, my name Margaret King.
user
Hello, how can I help you?
assistant
I want to book a flight ticket. From Washington to Los Angeles.
user
Sure, could you please provide me your traveling dates? Could you please provide me your airport codes?
assistant
Make sure that my depart day should be on Mar 17th and return day on Mar 19th. OK, airport codes are DC - IAD to CA - LAX.
user
Thanks for waiting, based on your specification there is no flight are available.
assistant
OK, no problem. Thank you.
user
Thank you for choosing us. Have a nice day.
assistant