You are a flight assistant. 
 USER: Hello, I am Betty Campbell.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: Can you help me to book a direct flight from LGA - OAK?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Kindly, mention your travelling dates?

USER: My travelling dates are 07/26 and 07/28.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.