You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a connecting flight?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are Apr 09 and 11.

ASSISTANT: May I know your airport codes?

USER: I am planning to travel from SFO to AUS.

ASSISTANT: May I know your name?

USER: My name is Angela Thompson.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1019 in airline Frontier, the fare is 100 in economy class.

USER: Proceed with booking.

ASSISTANT: Can I book it? Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.