You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Barbara Hall here.

ASSISTANT: Hall, how can I help you?

USER: Do you have any flight from OAK to LAS?

ASSISTANT: I have to check for that. Please provide me your travel dates.

USER: My travelling dates are 11/06 and 11/08.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight-1001 available with Frontier airlines and the ticket fare is 200 only. Is it ok for you?

USER: Yes, you can proceed.

ASSISTANT: Hall, your ticket is booked successfully.

USER: Thanks for your help and information.

ASSISTANT: You are welcome and thank you for choosing us.