Hello.
user
Hello. How may I aid you?
assistant
I am Patrick Evans. I need to attend a cultural event in San Francisco so please help me with flight ticket booking from Houston.
user
Sure, may I know on what dates you are willing to travel?
assistant
Thank you, I need to travel on dates of 08/11 and 08/13.
user
Can you please share your airport codes?
assistant
Sure, I would like to travel from IAH to SFO.
user
Sorry, there are no flights found on your travel dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for choosing us.
assistant
Most welcome.
user