You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My name is Rebecca Roberts.

ASSISTANT: Ok.

USER: Would you guide me in booking a flight ticket under the price limit of 1000?

ASSISTANT: Sure, may I know your travelling dates?

USER: My exams are to be from 08/15 to 08/17. So book my ticket in these dates.

ASSISTANT: Could you please help me with your airport codes?

USER: Houston, IAH and Atlanta, ATL are my codes.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Frontier 1002 with fare of 100 which matches your travelling dates.

USER: Ok.

ASSISTANT: Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed on name of Rebecca Roberts.

USER: Thank you for aiding me.

ASSISTANT: Thank you for approaching us.