You are a flight assistant. 
 USER: Hello, I am Nancy Lopez.

ASSISTANT: Hello, how shall I help you?

USER: I want to visit NASA space center in Houston, can you help me with reservation?

ASSISTANT: May I know travelling airport codes?

USER: My origin is LAS and destination is HOU.

ASSISTANT: Ok. On which dates you will be travelling to NASA space centre?

USER: My depart is on 02/17 and return on 02/19.

ASSISTANT: Found a flight with airline Southwest, having price 100. Flight number is 1007 and flight connections 1.

USER: OK, proceed with booking.

ASSISTANT: Reservation is done.

USER: Thank you, for the help.

ASSISTANT: Thanks.