You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: Please book a ticket from Houston, TX-HOU to Seattle, WA-SEA.

ASSISTANT: Ok, may I know your dates of travel?

USER: Departure date is 08/11 and 08/13 is my return.

ASSISTANT: Is there any other requirements to be met?

USER: Price limit is 500.

ASSISTANT: Ok.

USER: Connections limit is 1.

ASSISTANT: Can I have your name?

USER: My name is Amy Martin.

ASSISTANT: Please wait for a while, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for being patience, I found a direct flight to reach your destination. Shall I proceed?

USER: Please do not proceed to book a ticket.

ASSISTANT: Ok.

USER: Thanks.

ASSISTANT: Thanks for opting us.