You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Rachel King. I want to go for religious festival at Chicago, Can you help me in my booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My journey dates are from 02/21 to 02/23.

ASSISTANT: May I know your source point and destination point?

USER: My source is New York, NY - EWR. My destination is Chicago, IL - ORD.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Ok, wait for some time. Thanks for waiting there is no  flights.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for choosing us.