You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am Virginia Walker. I am planning to travel from ATL to BOS, can you help in booking?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My travelling dates are 05/22 to 05/24.

ASSISTANT: Please wait for a minute. I am sorry to say that there is no flight found under your details.

USER: Ok. That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.