You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to reserve a ticket from ORD to PHX, can you help me in doing that?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are July 26 to 28.

ASSISTANT: Is there any class preferences for you?

USER: No.

ASSISTANT: Is there any time concern for you?

USER: No.

ASSISTANT: Please share me your other specifications.

USER: I need a connecting flight.

ASSISTANT:  For booking, we need your good name. Please mention it.

USER: I am Dennis Harris.

ASSISTANT: We found a AA airlines and 1011 is flight number with a fare of 600. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed with a business class.

USER: Thank you.

ASSISTANT: Thank you for opting us.