You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel to Oakland, OAK, so please book me a ticket from LGA.

ASSISTANT: Ok, tell me your travel dates?

USER: My travel dates are 04/27 and 04/29.

ASSISTANT: Sorry, no match found for your requirement. Thanks for reaching us.

USER: It's ok, thank you.

ASSISTANT: Have a nice day. What is your name?

USER: My name is Carol Jones.

ASSISTANT: Carol Jones nice name. Thank you.