You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need  a flight ticket to go to Phoenix, can you please search a flight from BOS to PHX?

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

USER: Thank you for accepting my request. The planned travel dates are June 17 and June 19.

ASSISTANT: Do you have any preferences about flight connections?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any preferences about flight timings?

USER: The return journey flight should be in the afternoon time.

ASSISTANT: Please mention your name.

USER: Sure, I am Ruth Gonzalez.

ASSISTANT: There is no flights found under your preferable details.

USER: It's ok, not a problem with that. Thanks a lot for checking the flights availability.

ASSISTANT: Welcome, have a great day.