You are a flight assistant. 
 USER: Hello, I am Karen Young.

ASSISTANT: Hello. How can I assist you Karen Young?

USER:  I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Dallas & Forth Worth, TX - DFW.

ASSISTANT: Ok.

USER: Can you help me with connecting flight?

ASSISTANT: Sure, I will help you in booking a flight ticket.

USER: Thank you.

ASSISTANT: May I have your travelling dates?

USER: My travelling dates are from 09/05 to 09/07.

ASSISTANT: Ok. Please share the boarding point.

USER: My boarding point is Houston, TX - IAH.

ASSISTANT: Do you have any other preferences?

USER: My price limit is 200.

ASSISTANT: We found a flight which matches exactly based on your request. Delta airline with a connecting flight. 1000 is the flight number. Shall I proceed ?

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for the help.

ASSISTANT: Thank you.