You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Robinson here.

ASSISTANT: Mark, how can I assist you today?

USER: I want to meet my friend, so please book my ticket from IAH to MSP.

ASSISTANT: Can you please let me know your itinerary dates?

USER: My itinerary dates are 11/23 and 11/25.

ASSISTANT: Here is a flight-1001 with 1 connection limit, costs 200 from Spirit airlines. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.