You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gary White here, I want to reserve my ticket from PHL to IAD, can you please help me?

ASSISTANT: Sure, I will help you. May I know your trip dates to go?

USER: Sure, my preferable dates of journey is from 05/11 to 05/13.

ASSISTANT: There is a flight-1010 with price 100 of Frontier airline, is it fine for you?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.