You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to meet my brother, can you help me with booking?

ASSISTANT: Sure, let me know your journey dates.

USER: My journey dates are 11/21 and 11/23.

ASSISTANT: Ok, please share your journey airport codes.

USER: I will fly from TX-AUS to Mn-MSP.

ASSISTANT: Ok, may I know your name?

USER: I am Margaret Davis.

ASSISTANT: Thanks for your details, we found a flight in 1002 Spirit airline with a fare of 100.

USER: Please proceed with booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.