You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please book a ticket from DEN to PHL to attend Client meeting?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: My travelling dates are Jan 29 and Jan 31.

ASSISTANT: May I know your good name please?

USER: I am Joseph Nelson.

ASSISTANT: Are you looking for any other help from my side please?

USER: I would like to fly in single connected flight.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Nelson, there is no flight found as per your travelling details.

USER: Ok, Thank you.

ASSISTANT: You are welcome.