You are a flight assistant. 
 USER: Hi, I am Susan Thomas.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to go to my sister's wedding anniversary on 02/27. Please book a ticket.

ASSISTANT: Sure, may I know your price limit?

USER: Price limit can be with in a range of 1000.

ASSISTANT: Shall I know your airport codes?

USER: Origin point: HOU, Destination point:LAX.

ASSISTANT: May I know your further details regarding journey?

USER: My return date is on 02/29.

ASSISTANT: Thank you for providing details, wait a moment. I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for your patience, we found an airline: Spirit, flight number: 1004.

USER: Ok.

ASSISTANT: Shall I proceed to booking?

USER: Yes, proceed to book.

ASSISTANT: Your booking is reserved with your name.

USER: Thank you for your service.

ASSISTANT: Thank you, for reaching us.