You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Alexander Mitchell.

ASSISTANT: How may I help you?

USER: I would like to travel from 02/10 to 02/12.

ASSISTANT: Ok, can I know your airport codes?

USER: My airport codes are IAH and LAX.

ASSISTANT: I found a flight 1010 of Spirit airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.