You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joseph Anderson.

ASSISTANT: How may I be of your assistance?

USER: I want to book a direct flight ticket to attend an emergency case. Can you help me?

ASSISTANT: Sure, we are mirthful to help you in booking. Kindly share your source and destination points.

USER: JFK and SEA are my nearest airport codes.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: 03/16 and 03/18 are my travelling dates.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, we are unable to provide flight in between your journey routes due to heavy rains ate destination point.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.