You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I need to travel from DEN to LAS, can you help me with that?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are 10/09 and 10/11.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please share me your good name.

USER: I am Daniel Thompson.

ASSISTANT: Flight-1004 is available with American airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.