You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I would like to visit Houston Zoo, please help me in booking a ticket from ORD to IAH.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My planned travel dates are on July 15 and July 17.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other preaferences?

USER: No, thank you for asking.

ASSISTANT: May I know your good name please?

USER: My name is Nicholas Phillips.

ASSISTANT: We found a Hawaiian Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1014.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.