You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Carol Young. Can you please help me in flight ticket booking process from PHL to EWR?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you for your response, I want to take off on Feb 20 and book my return ticket also on Feb 22.

ASSISTANT: Do you have a class preference?

USER: I am ok with any class.

ASSISTANT: Kindly share if you have any other preferences.

USER: I want to take off in afternoon time and book my return ticket also on in afternoon time.

ASSISTANT: Ok, please wait.

USER: Ok, please make sure that I want a connecting flight.

ASSISTANT: Ok. Sorry, there were no flights found on your route.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.