You are a flight assistant. 
 USER: Hello, I am Helen Carter.

ASSISTANT: Hello,. How can I help you?

USER: I want to go for Phoenix hot air balloon ride at Phoenix with the single connecting flight.

ASSISTANT: Ok.

USER: Can you help me in booking my flight ticket within the fare of 200?

ASSISTANT: Sure, We are glad to help you in booking your flight ticket. When are you willing to travel?

USER: I want to start on 05/13 and intend to return on 05/15.

ASSISTANT: Where are you heading from?

USER: My source code is from MI - DTW.

ASSISTANT: I need your destination code for booking further.

USER: I want to head to AZ - PHX.

ASSISTANT: There is no connecting flight found with your dates of travel. Are you comfortable with direct flight?

USER: That's ok, not a problem. No, I need a connecting flight.

ASSISTANT: Thank you for availing with us.

USER: Thank you for your information.