You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Could you please avail me a flight ticket in the name of Laura Clark?

ASSISTANT: Sure, may I know your journey codes?

USER: My airport codes are DEN - DTW.

ASSISTANT: Kindly provide your travelling dates.

USER: My trip dates are 03/07 - 03/09.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: There is no flight found matching with your requirements.

USER: It's ok, thank you.

ASSISTANT: Thanks for opting us.