You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Edward Hill.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket to New York, can you please book me a ticket from ATL to LGA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am travelling on these dates DEC 25th and 26th.

ASSISTANT: Please reconfirm your journey dates.

USER: I will confirm my travelling dates they are DEC 25th and 27th.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.