You are a flight assistant. 
 USER: Hello, I am Matthew Williams.

ASSISTANT: Hello, how can I help you now?

USER: I would like to buy a flight ticket on dates from 10/04 to 10/06 as I have an meeting with my doctor. Can you help me?

ASSISTANT: Sure, may I know your airport codes?

USER: MCO to LAX are my airport codes.

ASSISTANT: Do you need any other specifications?

USER: I need a lay by in between.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight found with Southwest airline of flight number 1005 and fare is 200. Shall I proceed for booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.