You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to book a flight ticket from MSP to DFW as there is a business meeting at Fort Worth?

ASSISTANT: Sure, may I know your itinerary dates?

USER: Ok, please book for the dates May 3rd and May 5th respectively.

ASSISTANT: May I know your connection limit?

USER: Ok, please book a connecting flight.

ASSISTANT: Which class do you prefer?

USER: Yes, I need a business class.

ASSISTANT: May I know you name?

USER: My name is Raymond Thomas.

ASSISTANT: Please wait for a while. Sorry Raymond Thomas, no flights are available as per your requirements.

USER: Ok, pleased with the service provided. I will book my ticket next week not a issue. Thank you for assisting me.

ASSISTANT: Thank you for choosing us.