You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I want to book a ticket from HOU to DFW, can you help me?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My travel dates are 07/03 and 07/05.

ASSISTANT: May I know your name please?

USER: Myself Jacob Johnson.

ASSISTANT: Sorry, there are no flights found on your requested dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us, have a nice day.