You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Anthony Collins. Can you help me to book a flight from BOS to IAH?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 10/17 and 10/19.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights were found on your route.

USER: Ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.