Hi,.
user
Hello, how can I help you?
assistant
I am Gregory Mitchell. I would like to attend a film festival at Houston with my friends, so can you help me with booking a flight ticket?
user
Sure, may I know your source and destination airport codes?
assistant
My source is Denver, DEN and destination is Houston, HOU.
user
Could you please provide me your planned journey dates?
assistant
I am planning to start on 04/21 and intend to return on 04/23.
user
Do you want connecting flight?
assistant
Yes, I need a connecting flight.
user
Sorry, there are no connecting flights found with your given dates.
assistant
Not a problem, thank you for the information.
user
Thank you for opting us.
assistant