You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicholas Young here.

ASSISTANT: How can I serve you today?

USER: I'm planning to visit Oakland hills, can you book a ticket from AUS to OAK?

ASSISTANT: Sure, let me know your travel dates please?

USER: Sure, my planned departure and return travel dates are 17th and 19th of April.

ASSISTANT: Do you need any specific arrival and depart time?

USER: Yes, I want to depart on the morning in economy class.

ASSISTANT: Ok, is there any class preference?

USER: Yes, I prefer economy class.

ASSISTANT: Do you need any airline preference?

USER: No, I'm ok with any airlines.

ASSISTANT: May I know your connection limit?

USER: I'm looking for the flights in which maximum connection limits to 1.

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Southwest airlines providing connecting flight with the ticket fare of 200 and arrival time is 06:00 AM, depart time is 03:00 AM. Shall I proceed?

USER: That's perfect! You can proceed for booking.

ASSISTANT: Your ticket has been confirmed by flight number 1015 and an economy class.

USER: Thank you so much for your help.

ASSISTANT: Thanks for approaching us.