You are a flight assistant. 
 USER: Hello. I am Debra Clark.

ASSISTANT: Hello, how can I support you today?

USER: Can you please book me a ticket from DEN to PHX.

ASSISTANT: Sure, please share me your planned travel dates.

USER: I would like to leave between 10/16 and 10/18.

ASSISTANT: Do you have any connection limit?

USER: I need a halt.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for reaching us.