Hi.
user
Hello.
assistant
Frank Mitchell here.
user
Frank, how may I help you?
assistant
 I would like to travel from LAS to PHL for business meeting, can you please book the flight ticket?
user
Please share your itinerary dates.
assistant
Sure, I want to travel on 02/11 and return on 02/13.
user
Please hold on for a moment.
assistant
Sure.
user
Sorry, no flight found.
assistant
No problem, thank you for checking.
user
Thank you for choosing us.
assistant