You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I need to booking a flight ticket to DEN from ORD to meet my friend. Can you help me with that?

ASSISTANT: Sure. Can I know your travelling dates?

USER: Thank you for considering my request. My travelling dates are Nov 1 and Nov 3.

ASSISTANT: Do you need any break?

USER: I need break in between my journey.

ASSISTANT: When would you like to depart and return?

USER: I do not have any such type of preference.

ASSISTANT: Is there any airline preference?

USER: I prefer normal-cost airlines.

ASSISTANT: May I know your name?

USER: Sure, my name is Nancy Phillips.

ASSISTANT: We found a connecting flight with UA airlines, flight number:1011.

USER: Do proceed with the booking in the flight which you have provided.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.