You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Johnson.

ASSISTANT: How may I assist you?

USER: I am planning to attend music concert at SEA, can you please help me with booking a flight ticket from EWR?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, I would like to depart on Dec 23 and return on Dec 25.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Wait a moment please, let me check with that.

USER: Sure.

ASSISTANT: Southwest airlines is available in your route, with the ticket fare of 600 in business class, shall I proceed with the booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked with the connecting flight-1003 and the departure time is morning.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.