You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please book me a ticket from DFW to DEN to meet my family members.

ASSISTANT: May I know your trip dates?

USER: I  have planned to travel on Jan 09th and return on Jan 11th.

ASSISTANT: Do you prefer any connections?

USER: Yes, I like connecting flight.

ASSISTANT: May I know your timings?

USER: I am ok with any time.

ASSISTANT: Do you prefer any specifications?

USER: I like to travel in economy class.

ASSISTANT: There is a connected flight in UA airlines with the fare 200.

USER: Ok, please book this ticket.

ASSISTANT: May I know your name?

USER: Thank you. Myself Brian Miller.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.