You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Virginia Brown and I would like to travel from New York, NY - LGA to Houston, TX - HOU to meet my manager. Can you help me book a flight ticket to start on 06/23 and end of 06/25?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight found on your details.

USER: Ok, thank you for your response.

ASSISTANT: Thank you.