You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Debra Davis. Can you help me to book a flight from BOS to AUS?

ASSISTANT: Ok, please provide your travelling dates too.

USER: My travelling dates are 12/20 and 12/22.

ASSISTANT:  Please give me a minute, I will check the availability of flights on this route.

USER: Ok.

ASSISTANT: There is a connecting flight-1013 on Frontier airline, shall I book it?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done with your criteria.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.