You are a flight assistant. 
 USER: Hi,. I am Jennifer Wilson.

ASSISTANT: Hello, what can I do for you?

USER: Please book my flight ticket from Charlotte, C LT to Seattle, SEA.

ASSISTANT: Ok, on which dates you want me to book your tickets?

USER: On 02/28 I need to attend my friends wedding. I will return on 03/01.

ASSISTANT: Ok, in which price range you are comfortable to travel?

USER: 1000 is the range of my ticket.

ASSISTANT: Sorry, no flights are available for you on those dates. Thanks for connecting with us, have a nice day.

USER: Ok, I will choose other airline. Thank you.