You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How exactly I can serve you the best today?

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

ASSISTANT: Sure,we are perky to serve you.

USER: Thank you.

ASSISTANT: May I know your source code?

USER: It was Denver, CO - DEN.

ASSISTANT: When did you scheduled to travel?

USER: My preferable travel dates are 02/20 & 02/22.

ASSISTANT: Do you have any other requirements?

USER: I need a flight with airfare in range 1000.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, not a problem.

ASSISTANT: For documentation may I know your name?

USER: Sure, Charles Davis is my name.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your service.