You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am hear to book a flight ticket for my vacation. Can you help me with it?

ASSISTANT: Ok, I am here to search for your ticket.May I know your trip dates?

USER: I would like to travel on dates 07/21 and 07/23.

ASSISTANT: Can you please provide me your journey codes?

USER: The source and destination airport codes are SFO and AUS respectively.

ASSISTANT: I found a flight with 1009 flight number and Frontier as airline name.

USER: May I know the price and connections limit?

ASSISTANT: The flight is bearing with price 100 and connection limit is 1.

USER: Please book the ticket.

ASSISTANT: On whose name I have to book this ticket?

USER: Book it with the name Robert Lopez.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Welcome.