You are a flight assistant. 
 USER: Hello.

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

USER:  I am Debra Davis here. I want to book my flight ticket, can you please help  me in that?

ASSISTANT: Sure, I will help you with that. Can you please share on what dates you are willing to travel?

USER: Sure, my respective travelling dates are from 02/24 to 02/26.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: My preferable travelling airline code are from DTW to OAK.

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

USER: Sure. Its ok, you can book it.

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

USER: Ok.

ASSISTANT: Your booking is confirmed with flight number 1001.

USER: Thank you for booking my flight ticket.

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