Hello,.
user
Hello, how may I guide you?
assistant
I am Catherine Green. I am planning to visit Golden gate bridge in  San Francisco, SFO. Will you help me in booking a flight ticket on 03/16?
user
Sure, may I know your source point?
assistant
Orlando, MCO is my source airport.
user
Do you need a return ticket also?
assistant
I intend to return on 03/19.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry to inform you that there is no flight available on your dates.
assistant
Ok, I will choose other airline.
user
Thank you for contacting us.
assistant
Thank you for quick service.
user