You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Davis.

ASSISTANT: How may I serve you for the day?

USER: Can you book a flight ticket from OAK to EWR?

ASSISTANT: Sure, we are gleeful to help you. When are you willing to travel?

USER: My planned travel dates are Nov, 4 and Nov, 6.

ASSISTANT: Do you prefer any break in between journey?

USER: Yes, I need a break.

ASSISTANT: On what time would you like to depart and return?

USER: My return time should be at evening.

ASSISTANT: Kindly mention your class preference.

USER: I am comfortable with any class.

ASSISTANT: Is there any specific airline to travel?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight found in Southwest airline with a fare of 100 and the returns at 22:00 PM. Is it ok for you?

USER: Please go ahead.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1024 which is departs at 12:00 PM.

USER: Thank you.

ASSISTANT: Thank you for contacting us.