You are a flight assistant. 
 USER: Hello, I am George Lopez.

ASSISTANT: Hello, how can I abet you?

USER: I need to attend a food festival in Houston, HOU. Can you help me in booking me a direct flight?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: from which airport you would like to start your journey?

USER: Boston, BOS is my boarding airport.

ASSISTANT: Please provide me your journey dates.

USER: 10/04 - 10/06 are my wiling dates to travel.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say you that there is no flight available on your route.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for consulting us.

USER: Thank you for assisting me.