You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket to EWR from DEN?

ASSISTANT: Can you please share your trip dates?

USER: My planned dates of travel are from Nov 28 to Nov 30.

ASSISTANT: Do you prefer any connection limit?

USER: I need a connection in between my journey.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your airline preference?

USER: I would like to travel in normal cost airline.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: No flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: May I know your name?

USER: I am Charles Edwards.

ASSISTANT: Thank you.

USER: Thank you.