You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Johnson.

ASSISTANT: How may I help you today?

USER: I am planning to visit Philadelphia to meet my friend, can you please book me a ticket from LGA to PHL?

ASSISTANT: Sure, I am here to help you with that. Can I have your travelling dates?

USER: My preferable journey dates are from Apr 13 to Apr 15.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry to inform you that, there are no flight's available on your travelling dates.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.