You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Melissa Nelson here.

ASSISTANT: Good evening Nelson. How can I help you?

USER: I want to visit American icon in New York harbor at Statue of Liberty, so I would like to book a ticket from OAK to LGA.

ASSISTANT: It is a good place to visit, we are here in reserving the tickets Nelson. Can I have your dates of journey?

USER: The travelling dates are from 10/19 to 10/21.

ASSISTANT: None of the airlines is providing a flight to your region on your dates.

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

ASSISTANT: Is there any other dates that I want to check?

USER: No, I want to travel on that dates only.

ASSISTANT: Ok, thank for contacting us  and keep on contact us in future. Have a great day Nelson.

USER: Most welcome.