Hello,.
user
Hello.
assistant
I am Helen Harris.
user
What kind of help do you expect from us?
assistant
 I am going for a Grand Canyon Adventure at San Francisco so, can you avail me flight ticket?
user
Sure, we are happy to help you.
assistant
Thank you.
user
When are you planning to go to San Francisco?
assistant
I want to travel on 05/19, and need to catch return flight on 05/21.
user
Ok, may I know your selected airports to search a flight for you?
assistant
 I need to leave from my nearest airport SEA to reach SFO.
user
Thank you for your details, currently all flights are very busy by the specified dates.
assistant
Ok, I will try it on another day. Thanks for the information.
user
Ok, hope we serve you next time. Thank you for reaching us.
assistant