You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jack Phillips.

ASSISTANT: How may I help you?

USER: I want to travel from DFW to CLT locations, can you please help me in booking a flight ticket?

ASSISTANT: Sure, please provide your travel dates.

USER: My travelling dates are from 12/26 and 12/28.

ASSISTANT: Please hold on for a while. Sorry, no flights found on your route.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for contacting us.