You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please book me a ticket with the fare of 200?

ASSISTANT: Sure, may I know your name for booking?

USER: Myself Robert Parker.

ASSISTANT: Ok, please share your journey dates.

USER: I would like to leave between 10/24 and 10/26.

ASSISTANT: Sure, From where do you want to travel?

USER: From OAK to ORD.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a flight in 1027 Frontier airline with a fare of 100.

USER: Ok, please book this ticket.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.