You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Can you please reserve me a flight ticket from HOU to BOS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Apr 21 and Apr 23.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: Yes, I need a lay by.

ASSISTANT: Can I know your good name please?

USER: I am Barbara Carter.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: We found a Jet Blue airline with fare of 100 and economy class.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1019. Thank you for reaching us.

USER: Thank you.