You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be of your help?

USER: I want to book a ticket from DEN to DFW, can you help me?

ASSISTANT: Sure, may I know if you prefer any restrictions on connection limit?

USER: I need a flight with connection 1.

ASSISTANT: Let me know your good name please.

USER: Myself Andrew Garcia.

ASSISTANT: Could you please mention your travelling dates?

USER: My travel dates are 02/20 and 02/22.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for being wait. There are no flights available matching with your requirements.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us and have nice day.