Hi,.
user
Hello. How can I aid you?
assistant
Please book a ticket from Washington DC-DCA to Washington DC-IAD.
user
May I know your travelling dates?
assistant
06/15 TO 06/17 are travelling dates.
user
Ok, please wait.
assistant
Sure.
user
 We found Frontier airline with flight number 1007. Fare is 100 with a single connection.
assistant
Please book flight ticket. I am Carol Nelson.
user
Your booking is confirmed.
assistant
Thanks.
user
Thank you for reaching us.
assistant