You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: Please book me a ticket from JFK to PHX to meet my family.

ASSISTANT: Sure, May I know the travelling dates?

USER: I have planned to travel on Mar 17th and return on Mar 19th.

ASSISTANT: Do you have any connection limit?

USER: I like connecting flight.

ASSISTANT: Is there any other requirements?

USER: I want to return at afternoon time.

ASSISTANT: May I know your name?

USER: Myself Emma Mitchell.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for opting us.