You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Karen Adams.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket within the fare of 200 with connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Will you please share me the travelling dates?

USER: My travelling dates are, 08/16 and 08/18.

ASSISTANT: May I know the airport codes of both routes?

USER: My airport codes are, MSP to DFW.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: You can go with a connecting flight in Delta airline. Flight number is 1003 and the price of the ticket is 100. Shall I proceed to book?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you.