You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Miller.

ASSISTANT: How may I assist you for the day?

USER: I planned to meet my cousin in LGA, can you please help me to book a flight ticket from IAH?

ASSISTANT: Sure Matthew Miller, I will help you with that ticket booking. Can you please provide your planned journey dates?

USER: I would like to travel on 01/27 and 01/29.

ASSISTANT: Please hold for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available in your route as per your travel dates.

USER: Ok, no problem. Thank you for your time.

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