You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Matthew Lopez.

ASSISTANT: How may I assist you at this moment?

USER: I am looking for a flight from IAH to HOU, can you help me in booking the flight ticket?

ASSISTANT: Sure Lopez, I can help you in that flight ticket booking. Can you please help me in providing your travelling dates?

USER: Sure, my travel dates are 06/15 and 06/17.

ASSISTANT: Please wait for a minute to search available flight for you.

USER: Ok, I will wait for your response.

ASSISTANT: Based on your request I could not find any flight with your travel dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: You are most welcome and thanks for reaching us.