You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Clark.

ASSISTANT: How may I help you?

USER: I want to attend a seminar at New York, can you please book me a ticket from DEN to JFK?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please share your planned journey dates?

USER: I want to depart on June 09 and would like to return on June 11.

ASSISTANT: Let me know your fare limit.

USER: My price limit for this trip is 1000.

ASSISTANT: Please, wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there is a flight available with fare 100 and single connection in  Spirit airline having 1015 as flight number. Shall I reserve it?

USER: Please book my ticket with this airlines.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.