You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Richard Edwards.

ASSISTANT: How may I aid you?

USER: I would like to visit NASA space centre at Houston, can you please book me a ticket?

ASSISTANT: sure, may I know your journey codes?

USER: My journey codes are from ATL to HOU.

ASSISTANT: Do you need any connection between your journey?

USER: Yes, I need one connection limit in between journey.

ASSISTANT: When are you planning to visit the space centre?

USER: I am planing to visit on 01/26 and return on 01/28.

ASSISTANT: Thank you for the information, we found a flight with number 1000 and AA as airline. The cost of the ticket is 100.

USER: Ok, please book this ticket.

ASSISTANT: Your booking is confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for availing us.