Hello.
user
Hello, how may I help you?
assistant
I have to attend a musical event at New York, can you help me to book a flight ticket from LAX to LGA?
user
Sure, please provide your itinerary dates.
assistant
My travelling dates are 11 and 13 of Mar.
user
Which class do you prefer?
assistant
I am ok with any class.
user
May I know your name?
assistant
I am Thomas Hill.
user
Please wait for a while.
assistant
Sure.
user
Sorry Thomas Hill, no flights are available on your planned dates.
assistant
It's ok, not a problem, thank you.
user
Thank you for choosing us.
assistant