You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Allen.

ASSISTANT: How can I help you?

USER: I am planning to visit Dallas DFW to meet my best friend from Seattle SEA. Can you find a flight ticket for me?

ASSISTANT: Sure, please provide your travel details.

USER: Sure, my journey dates are on Sept 03 and return on Sept 05.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to depart in the morning time.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry, I did not find any flights for you.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for connecting us.