Hello, I am Melissa Martin.
user
Hello Martin, how can I guide you today?
assistant
I would like to meet my friend in Denver, so could you please book a ticket for me?
user
Please mention your airport codes.
assistant
Sure, my source and destination airport codes are BOS and DEN.
user
Can I know your trip dates?
assistant
I would like to go on 01/03 and return back on 01/05.
user
Please wait for a moment.
assistant
Ok, ensure it is a single connecting flight.
user
Sorry Martin, no flight is available on your route.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant