You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to to travel from PHX to JFK, can you please help me to book my flight ticket?

ASSISTANT: Ok, please can I know your name to book?

USER: My name is Steven Garcia.

ASSISTANT: Ok, please can I know your dates of journey?

USER: I will depart on Apr 24th and return back on Apr 26th.

ASSISTANT: Can you let me know the specifications you need to check?

USER: I prefer for a single connection flight.

ASSISTANT: Sorry, there are no flights available to book a ticket for you today.

USER: Sad to hear that, thank you for checking.