You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicole Gonzalez.

ASSISTANT: How may I help you at this moment?

USER: I want to book a ticket from JFK to CLT to meet my family members.Can you help me out to book a ticket?

ASSISTANT: Yes Nicole, when you are planning to go?

USER: I am planning to travel on 12/27 and return on 12/29.

ASSISTANT: Ok, one moment please.

USER: Sure, take your own time.

ASSISTANT: Sorry Nicole, no flight's found on your requirements.

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

ASSISTANT: Thank you for consulting us.