You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Angela Allen. Can you help me booking a flight ticket from SFO to JFK?

ASSISTANT: Sure, may I know your travel dates?

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

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Any other specifications to bet met?

USER: I need to depart in the morning time.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.