You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Melissa King from New York, NY-LGA.

ASSISTANT: Ok, King what can I do for you?

USER: I want to attend a business meeting in Houston, TX-HOU, can you help me to book a ticket?

ASSISTANT: Sure, get me by giving your dates to travel so that I can help you.

USER: My business meeting held on 11/18, again I want to return on 11/20.

ASSISTANT: Sorry for the inconvenience, I didn't find a flight for you with your details.

USER: It's ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.