You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jennifer Harris.

ASSISTANT: How may I guide you?

USER: There is a place that is the Metropolitan Museum of Art which is located in New York City, can you help me with booking?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my travelling dates are from 12/19 and 12/21.

ASSISTANT: Sure, please tell me your source and destination codes.

USER: Sure, my locations are IAH to LGA.

ASSISTANT: Sorry, there is no plane on your requested travel dates.

USER: It's ok, I will concern another agency to full fill my trip. Anyway thanks for checking.

ASSISTANT: Thank you for choosing us, have a great day.