You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in booking my ticket on 12/08 and 12/10 dates?

ASSISTANT: Sure, can you please provide your source and destination airport codes?

USER: My trip codes are EWR to LAS.

ASSISTANT: Ok, please be on hold while I'm going to check the flights availability.

USER: Ok.

ASSISTANT: May I know your name for further proceeding?

USER: Myself Ryan Johnson.

ASSISTANT: There is a flight available for you on those dates from Frontier airlines and the ticket cost is 100 only.

USER: please proceed.

ASSISTANT: Your ticket has been booked with flight-1025, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.