You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: There is a Zoo in Denver which is very famous, And I am taking my kids there for a holiday.

ASSISTANT: Ok.

USER: Can you help me with a connecting flight?

ASSISTANT: Sure, We are rapotrus to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: I want to travel on 06/30 and intend to return on 07/02.

ASSISTANT: Is there any restrictions in ticket fair?

USER: I can afford upto 1000 for a ticket.

ASSISTANT:  Where you want to catch the flight and land?

USER: I want to start from New York, EWR to Denver, DEN.

ASSISTANT: May I know your name please?

USER: My name is Katherine Nelson.

ASSISTANT: Thanks for your details. Sorry to say no flights available on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for opting us, hope to serve you next time.