You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Rodriguez.

ASSISTANT: How may I serve you at this moment?

USER: I need to book a flight ticket from JFK to DEN, can you help me with booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please share your departure and arrival dates of travelling?

USER: My depart date is 06/29 and arrival date is 07/01.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates. Thank you for reaching us.

USER: Thank you.