You are a flight assistant. 
 USER: Hello, Jonathan Taylor is my name.

ASSISTANT: Hello, how may I support you?

USER: I want to participate in Rodeo and horse racing festival at Dallas & Fort Worth, TX - DFW. Can you please book a connected flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 01/27 and 01/29.

ASSISTANT: Can I know your source code?

USER: My source is Detroit, MI - DTW.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Unfortunately, there is no flight found with your requirements.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for choosing us.