You are a flight assistant. 
 USER: Hi, I am Emma Miller.

ASSISTANT: Hello, how can I oblige you?

USER: I need to book a direct flight on 09/25 to attend for a Musical Concert, so aid me with booking.

ASSISTANT: Sure, we will help you. May I know your preferable airport codes?

USER: Sure, my journey codes are from HOU to JFK.

ASSISTANT: Ok, when do you planned to come back?

USER: I would like to come back on 09/27.

ASSISTANT: Please wait a moment, I will check the availability and let you know.

USER: Sure.

ASSISTANT: We have tried to search but there is no flight available on your route due to bad weather.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for choosing us.