You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please assist me with flight ticket booking to attend a client meeting?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your preferable dates of travelling?

USER: My travelling dates are Dec 30 and I will arrive back on Jan 1.

ASSISTANT: Ok, my I know your origin and destination airport codes for booking?

USER: My source airport code is ORD and my destination airport code is OAK.

ASSISTANT: Any connection limit do you have?

USER: Yes, I need a single connection flight.

ASSISTANT: Do you have any class preference?

USER: I have planned to travel in a normal cost flight.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Book the ticket on my name Emily Lopez.

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

USER: No.

ASSISTANT: Please be on hold to check the flights.

USER: Sure.

ASSISTANT: Thank you for your information, there is a direct flight 1007 in United Airlines airlines and the fare of the ticket is 200 in economy class. Is it ok for you to book the ticket?

USER: Yes, you can proceed with flight ticket booking.

ASSISTANT: Ok, your ticket has been confirmed successfully.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: Thank you for reaching us, have a great day.