You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I would like to visit Houston Zoo with my friends, please help me in booking a ticket from IAD to HOU.

ASSISTANT: Sure, we are glad to help you. Can you please let me know your journey dates?

USER: I would like to plan my journey on July 05 and return on July 07.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a AA airlines matching your specifications, flight number 1005 and the fare of 100.

USER: Ok, please proceed for booking.

ASSISTANT: To proceed further, may I know your name please?

USER: My name is Virginia Miller.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for your assistance.

ASSISTANT: Than you for reaching us.