You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you today?

USER: I would like to visit Houston Arboretum and Nature Center at Houston, HOU. Can you help me with flight booking?

ASSISTANT: Sure, please let me know your planned travelling dates.

USER: My planned travelling dates are 02/26 and 02/28.

ASSISTANT: Kindly share your source airport code.

USER: Washington DC - IAD is my source airport code.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: We found a South west airline matching your essential details with the flight number-1015 and the fare 200.

USER: Please proceed then.

ASSISTANT: Your booking has been confirmed. May I know your name please?

USER: Thank you for such a kind help. Barbara Lopez is my name.

ASSISTANT: Thank you.