You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Wilson.

ASSISTANT: How may I assist you today?

USER: Can you please help me in booking my flight ticket from IAD to PHL?

ASSISTANT: Sure, please provide me your travel dates.

USER: Ok, my travelling dates are 09/12 and 09/14.

ASSISTANT: Frontier airline is providing flight for you with price 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight-1019.

USER: Thank you.

ASSISTANT: My pleasure.