You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: Can you help me in booking my flight ticket from JFK to HOU?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: I need a lay by flight.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My depart date is July 13th and my return date would be July 15th.

ASSISTANT: Can I know your good name please?

USER: I am Rebecca Baker.

ASSISTANT: Ok, do you have any other preferences?

USER: No.

ASSISTANT: There are no flights found on your requested dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.