You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Roberts Evans.

ASSISTANT: How may I aid you today?

USER: I need to travel from OAK to ORD, can you help me out please in booking the flight ticket?

ASSISTANT: Roberts Evans, please mention your travelling dates for this journey.

USER: My trip dates are from 05/04 till 05/06.

ASSISTANT: Ok, please wait for a moment till I check for the availability.

USER: Sure.

ASSISTANT: Flight-1015 is available for you with 1 connection at the price of 100 with Southwest airlines, shall I book it?

USER: Please proceed with it.

ASSISTANT: Your booking is successfully done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.