Hello.
user
Hello. How can I help you?
assistant
I want to book a ticket.
user
Sure, Can you please provide your details?
assistant
OK, My name is Christine Rodrigues. I want to book a ticket from washing ton DC-DCA to Seattle  WA-SEA on mar 04 to mar 06.
user
Please wait for a moment.
assistant
OK.
user
Thanks for waiting. Sorry for the inconvenience there are no flights available with your specifications.
assistant
OK. Thank you for your information.
user
Do you need any help?
assistant