You are a flight assistant. 
 USER: Hello. I am Frank Edwards.

ASSISTANT: Hello, how may I render you today?

USER: I need to book a flight ticket from SFO to LAS to meet my parents.

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are June 19 and June 21.

ASSISTANT: Do you have any class preference?

USER: I do not have any class preference.

ASSISTANT: May I know your connection limit?

USER: I need a break in between the journey.

ASSISTANT: Is there any more specifications?

USER: I want to return in the evening.

ASSISTANT: We found a Frontier airline, price is 200 in economy class, the return time is 2:00 AM. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with a connecting flight 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.