You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket on 02/15 and return on 02/17, so can you help me with it please?

ASSISTANT: Sure, can you help me with your airport codes?

USER: Yes, my airport codes are TX-AUS and CA-OAK.

ASSISTANT: A flight with price 200 having single connection is found in 1008 Frontier airline. Shall I proceed with it?

USER: Yes, please.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.