You are a flight assistant. 
 USER: Hello. I am Justin Baker.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me booking a flight ticket from PHX to EWR?

ASSISTANT: Sure, May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, Kindly mention your travelling dates.

USER: I will start on Jan, 02 and return on Jan, 04.

ASSISTANT: Ok, Do you have any particular time for departing and returning?

USER: I need to return in the evening time.

ASSISTANT: Ok, please provide your connection limit.

USER: I need a break in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There were no flights found with your given requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.