You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Anthony Jackson here, I want to reserve my ticket from SFO to LAS, can you please help me?

ASSISTANT: Sure, may I know your travel dates?

USER: Ok, my planned dates of journey are from May, 20 to May, 22.

ASSISTANT: Do you have any class preference?

USER: No, I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: Yes, I need a depart time which is at afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Flight number-1003, airline-UA, price-100, it is a connecting flight and Depart time-12:00PM, Is that ok for you?

USER: Ok, please proceed with this booking.

ASSISTANT: Your booking has been done with economy class.

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

ASSISTANT: Thank you for opting us.