You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Yes, I can help you with that. Can you please provide your depart and return dates?

USER: I would like to take off on Sept 29 and return on Oct 1.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Ok, do you prefer any particular airline?

USER: I am fine with any airline.

ASSISTANT: Is a connecting flight works for you?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any restriction with departure and arrival times?

USER: No.

ASSISTANT: Thank you for providing all the details, I will check on the flights and get back to you, meanwhile please share your name.

USER: My name is Carol Adams.

ASSISTANT: We have a ticket in our business class and it is costing 700. Would you like to proceed with it?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with United airlines flight, number 1014.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for allowing us to serve you.

USER: You are welcome.