You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am James walker. I am planning to attend my sister marriage in Chicago, IL-ORD. Can you please help me with booking a direct flight?

ASSISTANT: Sure, please share your planned trip dates?

USER: My journey dates are 01/15 and 01/17.

ASSISTANT: Ok, let me know your boarding point?

USER: My boarding is from Phoenix, AZ-PHX.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.