You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Nicholas Davis here. I have planned to meet my childhood friend in Dallas, can you please make a reservation between PHX to DFW?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Thank you, my departure is on Feb 14 and please book my return ticket on Feb 16.

ASSISTANT: Do you have any requirement?

USER: I would like to return in morning time.

ASSISTANT: May I know your connection limit?

USER: I will prefer single connection for my journey.

ASSISTANT: Sorry Nicholas Davis, there is no flight in your route.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you for your reaching us.

USER: Welcome.