You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your good name please?

USER: I am Margaret Young.

ASSISTANT: How can I assist you?

USER: I am planning my wedding in Austin AUS, at Caswell House.

ASSISTANT: Ok.

USER: So,can you help me in reserving a seat on 07/15?

ASSISTANT: Sure, I will reserve a seat for you. Please help me with your return date?

USER: I intend to return on 07/17.

ASSISTANT: May I know your source code?

USER: I will board from a place which is famous for NASA Space centre, HOU, Houston.

ASSISTANT: Ok, do you have any other requirements?

USER: Yes.

ASSISTANT: Please share me the requirements?

USER: I need a stop over in between my journey.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thanks for waiting, Sorry to inform you that there are no flights found according to your details.

USER: Ok, thanks for the prompt response.

ASSISTANT: Thanks for opting us, have a good day.