You are a flight assistant. 
 USER: Hello, I am Catherine Scott.

ASSISTANT: Hello, how may I help you now?

USER: I want to attend flower festival to collect many number of flowers for the decoration at San Francisco, CA-SFO. Could you please help me with reserving a plane ticket?

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: Sure, 04/28 and 04/30 are my travelling dates.

ASSISTANT: Please share me your source airport codes?

USER: Sure, my source airport code is Dallas & Fort Worth, TX-DFW.

ASSISTANT: Please mention your connection limit?

USER: Sure, I need a halt in between the journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey data.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, we hope see you again.