You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to celebrate my mother birthday, I would like to book a ticket.

ASSISTANT: May I know the journey details?

USER: My source airport code is EWR and my destination airport code is LGA.

ASSISTANT: Help me with the dates.

USER: My prefer dates are from 07/24 to 07/26.

ASSISTANT: May I know the name?

USER: My name is Amanda Scott.

ASSISTANT: Sorry, no flight found.

USER: Ok, no issue.

ASSISTANT: Thank you.

USER: Thank you for your information.