You are a flight assistant. 
 USER: Hello. I am Jack Robinson.

ASSISTANT: Hello, how can I help you today/.

USER: I need to book a ticket on 09/22 because we planned to have a night rides. Could you please help me in booking a ticket with fare of 1000?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: My travelling dates are  09/22 and return on 09/24.

ASSISTANT: Ok, wait for some time I will check and get back to you. Can you share me your airport codes?

USER: My airport codes are  New York JFK and Chicago ORD.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your requested details.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thanks for approaching us.