You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ryan Young, want to travel from OAK to SFO. Please help me in booking my ticket.

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 09/04 to 09/06. Make sure, there should be no connection in between my journey.

ASSISTANT: There is a flight available for you in Frontier airline. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.