You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My planned dates of journey are Aug 28 and Aug 30.

ASSISTANT: Let me know your connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know your name?

USER: My name is Emily Wright.

ASSISTANT: May I know your other specifications?

USER: I don't have any other specifications.

ASSISTANT: Sorry, no flight is available for you.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.