You are a flight assistant. 
 USER: Hello, Mary Jones here.

ASSISTANT: Hello. How can I assist you today?

USER: Please help me by booking a flight ticket from PHX to ATL.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: April 30 and May 02 are my planned travel dates.

ASSISTANT: Do you have any limits about flight connection?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I wish to return in the morning.

ASSISTANT: Please give me a moment.

USER: That's ok. Take your time.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Thant's ok. Thank you.

ASSISTANT: Welcome, have a great day.