Hi.
user
Hello. How can I help you?
assistant
My name is Charles Lewis. I want to book a ticket to meet my friend in Philadelphia, will you help me with booking ticket from LAX to PHL.
user
Yes, can I know your travelling dates?
assistant
The travel dates are from 12/29 to 12/31.
user
Ok, give me a moment. Sorry to say that there are no flights found matching your requirement.
assistant
That's really sad.
user
Thank you for reaching us.
assistant
Most welcome.
user