You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you?

USER: I am Stephen Anderson. I need to book a ticket to meet my parents for talking about marriage.

ASSISTANT: Ok.

USER: Could you please help me in booking a ticket?

ASSISTANT: Sure, we are happy to help you. Please provide your journey dates?

USER: Sure, my travelling dates are 03/10 and return on 03/12.

ASSISTANT: Help me with your airport codes?

USER: My airport codes are IAH and DFW.

ASSISTANT: Do you have any restriction on price?

USER: I can pay up to 5000.

ASSISTANT: I found a flight from Delta airline of price 300 and flight number 1006. Connection is one.

USER: You can proceed with booking.

ASSISTANT: Your flight booking is processed.

USER: Thank you for helping me.