Hello.
user
Hello, how may I help you?
assistant
I would like to visit San Francisco, please book my flight ticket from SEA to SFO.
user
Sure, help me with the trip dates?
assistant
Thank you. I will depart on May 17th and return back on May 19th.
user
May I know your good name please?
assistant
I am Donna Baker.
user
Do you have any preferences to be met?
assistant
I prefer for an economy class.
user
Sorry, no flights were available at this moment.
assistant
No problem, thank you for checking.
user
Thank you for reaching us.
assistant