Hello.
user
Hello, how may I aid you?
assistant
I would like to visit Chicago to meet my best friend, can you help me to book a flight ticket from PHL to MSP?
user
Sure, please share your itinerary dates.
assistant
My travelling dates are 24 to 26 of Jan.
user
May I know your name?
assistant
I am Rebecca Hall.
user
Sorry Rebecca Hall, no flights are available on your planned dates.
assistant
Oh! that very sad to hear, thank you.
user
Thank you for choosing us.
assistant