You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need a flight from IAH to LGA locations, can you please help me with flight ticket booking?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Help me with your travelling dates?

USER: I would like to move on Aug 18 and I will arrive back on Aug 20.

ASSISTANT: Is there any other requirements?

USER: I need a single connecting flight which will depart in the morning time.

ASSISTANT: Please forward your name.

USER: Sure, my name is Kevin Phillips.

ASSISTANT: We are sorry to inform you that there is no flight found with your matching details.

USER: Sad to hear that one, I can prefer any other source to travel. Thank you for your help.

ASSISTANT: Thank you.

USER: Welcome.