You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to visit at Washington for enjoying holidays, can you help me to book a flight ticket from CLT to IAD?

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

USER: My preferable journey dates are Jan 30 and Feb 01.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any limits on number of connections?

USER: My connection limit is 1.

ASSISTANT: Do you have any airline preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: Thank you, may I know your name for the documentation purpose?

USER: My name is Richard Edwards.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any another specifications on this journey/.

USER: No, thanks for asking.

ASSISTANT: United Airlines providing a flight with the price 100 with 0 connection. Can I proceed for the booking.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your flight ticket reservation done with the flight number 1024.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for reaching us.