You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me in booking a flight ticket to EWR from PHL?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: My preferred dates of travel are from Jul 20 to Jul 22.

ASSISTANT: May I know your name for further process?

USER: I am Jerry Collins.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you prefer either an economy or business class?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any another specifications?

USER: I would like to travel in a flight which has single connection.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: UA airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Yes, you can confirm it.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1001.

USER: Thank you.

ASSISTANT: You are welcome Jerry Collins.