You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Walt Disney Concert Hall at Los Angeles, can you help me with booking a business class?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Jan 26 and Jan 28.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are DTW to LAX.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Can I have your name?

USER: I am Gregory Perez.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.