You are a flight assistant. 
 USER: Hello. My name is Samantha Garcia.

ASSISTANT: Hello Samantha, how can I assist you?

USER: I want to attend my friends's marriage at ORD, could you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide your travel details.

USER: My travelling dates are 06/18 and 06/20.

ASSISTANT: Let me check, please wait for a while.

USER: Sure.

ASSISTANT: Could you provide your source airport code?

USER: My source airport code is HOU.

ASSISTANT: Flight number 1025 of Delta airlines is available for you. The flight has 1 connection.

USER: Make sure that the price limit should not exceed 200.

ASSISTANT: Ticket price is 100. Can I proceed with your booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked. Thank you for contacting us.

USER: You are welcome.