You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Lee.

ASSISTANT: How can I aid you now?

USER: Can you book a flight ticket from July 17th to July 19th?

ASSISTANT: Sure, may I know your airport codes please?

USER: My boarding point is LAS, my landing airport code is PHX.

ASSISTANT: Do you have any connection limit?

USER: I need a lay by in between my journey.

ASSISTANT: May I know about your class preference?

USER: I am flexible with any class.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: JetBlue airlines is providing you the connecting flight in economy class, depart time is at 2:00 AM and arrival time is at 1:00 AM. Shall I proceed by booking?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved with flight-1017.

USER: Thank you.

ASSISTANT: Thank you for opting us.