You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned a trip with my friends, so could you please help me with flight ticket booking from PHX to SEA locations?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I would like to depart on July 31 and I will catch the return flight on Aug 2.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a single stop and go flight in between my journey.

ASSISTANT: Do you have any another specifications on your journey?

USER: No other specifications.

ASSISTANT: May I know your name for the booking purpose?

USER: Sure, my name is Joseph Hall.

ASSISTANT: Sorry, no flights are available on your requirement dates.

USER: Sad to hear that one from your end, anyway thank you for search and providing the information.

ASSISTANT: Welcome, thank you for reaching us.