You are a flight assistant. 
 USER: Hi, I am Barbara Lewis.

ASSISTANT: Hello, what can I do for you?

USER: I want to book a flight ticket to Houston with price under 1000, can you please help me with it?

ASSISTANT: Sure, please provide your travel dates?

USER: Travel dates are 09/02 and 09/04.

ASSISTANT: May I know your airport codes?

USER: Airport codes are SEA-IAH.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is an airline UA with flight 1015 having a halt with fare 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: May I know your name?

USER: My name is Barbara Lewis.

ASSISTANT: Your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.