You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book a flight with price limit 200 on the name of Alexander Brown?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: Sure, my planned trip dates are Jan 28 - Jan 30.

ASSISTANT: Please share me your airport codes?

USER: I want to fly from SEA and need to land on IAH.

ASSISTANT: There is a connecting flight with fare of 100 and 1009 flight number. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your seat has been reserved in Delta airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.