You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to visit Denver museum with my brother, please help me in booking a ticket from EWR to DEN.

ASSISTANT: Sure, may I know your good name please?

USER: My name is David Evans.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I would like to plan my journey on May 29 and return on May 31.

ASSISTANT: Is there any specific class preference for you?

USER: Any class is comfortable for me.

ASSISTANT: May I know your airline preference for journey?

USER: I am fine with any airlines.

ASSISTANT: May I know your preferable time for journey?

USER: I do not have any time preference.

ASSISTANT: May I know your connection limit please?

USER: I need a flight with single connection.

ASSISTANT: There is a connecting flight of fare 100 with economy class in American airline, shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your reservation has been confirmed with flight number 1028.

USER: Thank you for your help.

ASSISTANT: You are welcome.Thank you for reaching us.