You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you now?

USER: I want to book a flight to IAH, so can you help me to book a flight from DFW?

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: My planned dates are Feb 18 and 20.

ASSISTANT: May I know your good name?

USER: My name is Jason King.

ASSISTANT: Do you need a connecting flight?

USER: I am fine with any flight.

ASSISTANT: Flight-1002 is available for you by Delta Airlines with 1 connection in economy class. Can I book it for you?

USER: Proceed with booking.

ASSISTANT: Your ticket is successfully reserved, thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a nice day ahead.