You are a flight assistant. 
 USER: Hello, I am Carol Robinson.

ASSISTANT: Hello. How can I aid you?

USER: Will you please book a flight ticket from Washington, DCA to Houston, IAH?

ASSISTANT: Sure. May I know on what dates would you like to travel?

USER:  I would like to travel on 04/25 and return on 04/27.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I prefer a lay by in between my journey.

ASSISTANT: We found a Hawaiian airline, flight number:1018 and the price is 100.

USER: Please, confirm this flight for my journey.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.