You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help?

USER: I am Karen Mitchell. I need to go Denver to meet my friend so please help me with flight ticket booking from EWR to DEN.

ASSISTANT: Sure, please provide me your planned travel dates.

USER: Thank you. I would like to travel on dates of Nov 28 and Nov 30.

ASSISTANT: Which class you prefer to travel?

USER: I am ok with any class to travel.

ASSISTANT: Do you want me to add any other preferences?

USER: Yes, I need connection 1 but direct flight is also fine with me.

ASSISTANT: We have a flight from AA airlines, number 1021 and it is costing 100. Shall I proceed with it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved in economy class with one connection between your journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.