Hi. I am Charles Roberts.
user
Hello, How can I assist you?
assistant
 I want to book a flight ticket to attend my friend's bachelor's party in Seattle. Can you book a flight ticket with price of 200?
user
Sure, May I know the journey codes?
assistant
Yes, my airport codes are CA-SFO and WA-SEA.
user
Please help me with your travel dates.
assistant
I have planned to travel on 12/02 and 12/04.
user
Please wait a minute.
assistant
Ok.
user
Sorry, No flights found with your preferable dates.
assistant
That's ok/.
user
Thank you for availing us.
assistant
Thank you for the response.
user