Hi.
user
Hello.
assistant
Donald Lee here.
user
How can I help you today?
assistant
Please help me out in booking the ticket from SFO to SEA.
user
Sure, I am here to help you in booking. Can you please share your travel dates?
assistant
My trip dates will be Nov 21 to Nov 23.
user
Do you have any specification?
assistant
I want economy class.
user
Please mention your departure time and return time.
assistant
My depart time must be in the evening.
user
Sorry, no flights are available on your preferable travel dates.
assistant
That's ok. Thank you.
user
Thank you for reaching us, have a nice day.
assistant