You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of help you are looking from our service?

USER: I planned to meet my friends after a long gap, could you please help me out in booking a ticket?

ASSISTANT: Wow! that's really nice.Can you provide your dates of journey?

USER: Sure, my journey dates are from 03/27 to 03/29.

ASSISTANT: Can you provide your destination of journey?

USER: My source airport code is ORD and my destination airport code is IAH.

ASSISTANT: There is a flight available with Southwest airlines providing the service on this route according to your given dates, shall I proceed your booking with this flight?

USER: Ok, please book my ticket.

ASSISTANT: To process further I want your name.Can you provide your name?

USER: Sure, my name is Samuel Nelson.

ASSISTANT: Congratulations, flight costing 100 with 1 connected flight with flight number 1015 has been confirmed for you.

USER: Thank you for your help.

ASSISTANT: You are welcome, hope you have a safe flight to your destination.