You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Anthony Nelson. I want to book a ticket from Seattle, SEA to visit Space Center Houston, can you book a ticket to Houston?

ASSISTANT: Sure, please share me your travelling dates?

USER: Travelling dates are on 01/21 and 01/23.

ASSISTANT: Kindly assign me your destination code?

USER: My destination point is HOU.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1008 Frontier airline with single connection and price of 100. Shall I proceed with booking?

USER: I need a direct flight. Do not proceed.

ASSISTANT: OK.

USER: Thank you.

ASSISTANT: Thank you for reaching us.