You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to travel in a normal cost airline, can you please help me out with booking of a flight ticket from PHX to BOS?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: Thank you, my departure is on Sept 12 and please book my return ticket on Sept 14.

ASSISTANT: May I know your name for further process?

USER: Sure, my name is Jacob Young.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I would like to return in afternoon time.

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

USER: I would prefer single connection for my journey.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

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

ASSISTANT: Thank you for reaching us.