Hi.
user
Hello.
assistant
I am Sandra Mitchell.
user
Sandra Mitchell. How can I help you?
assistant
I want to book a ticket from PHL to SFO, can you help me with booking?
user
Please provide me your itinerary travel dates.
assistant
Ok, my planned dates are from Feb 16 to 18.
user
Do you have any preferences?
assistant
I need a flight with business class.
user
Give me a moment.
assistant
Ok.
user
Sorry to inform that, there are flights available of your choice. Thank you for contacting us.
assistant
Welcome.
user