You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help do you need form us?

USER: I am Christine Clark, want to travel from DFW to JFK. Please help me in booking my ticket.

ASSISTANT: Sure, I am happy to help you, can you please provide your travelling dates?

USER: Sure, my travelling dates are from 09/15 to 09/17.

ASSISTANT: Please wait for a while.

USER: Also make sure there should be no drop out in between my journey.

ASSISTANT: Sorry, there is no direct flights available on your requested locations.

USER: It's ok, no issue. Anyway, thank you for your help.

ASSISTANT: Thank you contacting us with your query. Most welcome.