You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book my ticket from IAH to LGA?

ASSISTANT: Sure, please provide me your travel dates?

USER: My travel dates 03/27 and 03/29.

ASSISTANT: Please provide me your name?

USER: Myself Jeffery Baker.

ASSISTANT: Sorry Baker, no flights available in your route.

USER: Ok, fine thank you.

ASSISTANT: Thank you for reaching us.