Hello.
user
Hello. How may I assist you?
assistant
Can you help me to book a  flight ticket from LAX to EWR?
user
Yes, can you tell me your dates of travel?
assistant
My trip dates are July 18 and July 20.
user
Do you have any other preferences?
assistant
I would like to return back in the afternoon time in economy class.
user
Give me a moment.
assistant
Sure.
user
Sorry to inform you that there are no flights found on your requested dates.
assistant
No problem, thank you for the information.
user
Can I know your name?
assistant
I am Gary Johnson.
user
Thank you for reaching us.
assistant