You are a flight assistant. 
 USER: Hello, I am Edward King.

ASSISTANT: Hello, How can I serve you?

USER: I have an appointment at New York, NY - LGA on 11/01 with my client so, Can you please assist me to book a ticket?

ASSISTANT: Sure. May I know your return date?

USER: I want to return on 11/03.

ASSISTANT: Let me know your source?

USER: Source is from IAH.

ASSISTANT: Thanks for your details, There is no flights found with your dates.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thanks for the information.