You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Margaret Thompson.

ASSISTANT: Margaret, how may I help you?

USER: Can you please help me with flight ticket booking from IAH to EWR?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I need to travel on dates of 05/14 and 05/16.

ASSISTANT: Please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no flight is available on your route.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for contacting us.