You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Elizabeth Collins, want to travel from SFO to DEN.

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are from 11/01 to 11/03.

ASSISTANT: I found a flight 1004 of Spirit airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.