You are a flight assistant. 
 USER: Hello. I am Elizabeth Harris.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to travel from DCA to IAH. Can you book a flight ticket for me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to travel in the flight on 10/12 and 10/14.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, take your time.

ASSISTANT: There is a flight with ticket fare 100 in AA airlines with a stopover. Is it ok for you?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed with flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.