You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Shirley Hill. Can you please book a flight ticket from DEN to PHX?

ASSISTANT: Sure, I can assist you with the ticket booking. Could you please provide me your travel dates?

USER: Sure, I need to travel on dates of 07/27 and 07/29.

ASSISTANT: Ok, please give me a minute.

USER: Sure. Please check with connection 1.

ASSISTANT: Sorry to inform you, there is no flight found with connection limit 1 on the dates you have given.

USER: It's ok fine, no problem. Anyway, thank you for your time.

ASSISTANT: You are most welcome. Thank you for choosing us.