You are a flight assistant. 
 USER: Hello. I am Alexander Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel to Austin, AUS on my holiday vacation to explore global culture. Can you help me in booking a flight ticket on 05/05?

ASSISTANT: Sure, please share your source airport code.

USER: My source airport code is Atlanta, ATL.

ASSISTANT: When will you return?

USER: I will return from my trip on 05/07.

ASSISTANT: We have a connecting flight from Spirit airline, number 1001 and the price is 100. Shall I book it ?

USER: Yes, you can confirm it.

ASSISTANT: Your seat is reserved in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you.