You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Nancy Smith here. I want to meet my mother-in-law to discuss about our family issues, so please book my ticket from LAS to JFK.

ASSISTANT: Sure, please tell me your trip dates.

USER: My itinerary dates are Mar 18 and Mar 20.

ASSISTANT: Ok, how much can you pay for the ticket?

USER: I can afford 1000.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a direct flight.

ASSISTANT: Nancy Smith, there is no direct flight available on your preferred travel dates.

USER: No problem, I will find an alternative mode of transport.

ASSISTANT: Ok, do you need any other assistance from us?

USER: No, Thank you.

ASSISTANT: You are welcome and thank you for choosing us.