You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from EWR to SFO. Could you book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Departure date is Jan, 4 and return is by Jan, 6.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: My name is Elizabeth Thompson.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 with flight number 1022. Shall I proceed with this flight?

USER: Please book a flight.

ASSISTANT: Your booking is done.

USER: Thanks.

ASSISTANT: Most welcome.