Hello.
user
Hello, how can I assist you?
assistant
Ryan Thompson here. I need to visit Denver to attend a business meeting so please help me with flight ticket booking from Boston.
user
Sure, please provide me your travel dates.
assistant
Sure, I would like to travel on dates of 07/19 and 07/21.
user
Can I have your airport codes please?
assistant
Sure, I need to travel from BOS to DEN.
user
Sorry for the inconvenience, there are no flights with your requirement.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thanks for choosing us.
assistant
Most welcome.
user