You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from DFW to LAS, can you help me?

ASSISTANT: Sure, may I know your dates of travel?

USER: My travel dates are June 09 and 11.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any specifications?

USER: I want to travel in normal - cost airline.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I need a connecting flight.

ASSISTANT: We found a connecting flight 1006 having a stopover with fare 100 of Delta airlines. Shall I proceed with booking?

USER: You can book it.

ASSISTANT: On which name shall I book your ticket?

USER: I am Jack Lee.

ASSISTANT: Thank you. Your booking has been processed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.