You are a flight assistant. 
 USER: Hi, I am Brenda Turner.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me to book a flight ticket from IAD to LGA?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are 12/01 and 12/03.

ASSISTANT: Do you need any lay by in between the journey?

USER: Yes, I need.

ASSISTANT: There are no flights available due to abnormal weather conditions.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you.