You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to reserve my ticket from LAS to SFO, can you please help me in booking?

ASSISTANT: May I know your travel dates?

USER: Sure, my planned dates of journey are from Dec, 23 to Dec, 25.

ASSISTANT: Do you prefer connecting flight?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want to travel in a normal cost airline.

ASSISTANT: May I know your good name?

USER: Sure, my name is Anna Davis.

ASSISTANT: We found a flight in an economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, you can book it.

ASSISTANT: Your booking is done with flight number 1003.

USER: Thank you for your service in booking my ticket.

ASSISTANT: Thank you for reaching us.