You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jason Roberts.

ASSISTANT: How may I assist you today?

USER: Can you please help me with booking a connecting flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you provide your travel dates please?

USER: My travelling dates are 10/29 and 10/31.

ASSISTANT: May I know your airport codes?

USER: My airport codes are JFK and LAS.

ASSISTANT: Is there any class preference for you?

USER:  No.

ASSISTANT: Do you need a stopover in between your journey?

USER: I have mentioned above.

ASSISTANT: Do you have any flight timings preference?

USER: Yes, I would like to depart in the morning.

ASSISTANT: Do you have any other specifications?

USER:    No.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no flight services available on your required dates.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for contacting us.