You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend Music Night in San Francisco, can you please avail a flight ticket for me?

ASSISTANT: Can you please share your trip dates?

USER: My journey start on Oct 12th, and arrival on Oct 14th.

ASSISTANT: May I know your connection?

USER: I need direct flight in my journey.

ASSISTANT: Do you prefer any specifications?

USER: No.

ASSISTANT: Please share your airport codes?

USER: My airport codes are, ORD to SFO.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: No flights found on your route.

USER: Ok, no problem.

ASSISTANT: May I know your name?

USER: Sure, Thomas White is my name.

ASSISTANT: Thank you.

USER: Thank you for your information.