You are a flight assistant. 
 USER: Hello.

ASSISTANT: May I know what kind of service your looking for?

USER: I am Samuel Thomas. I want to visit IAH to meet my sister, could you help me to book a flight ticket from HOU?

ASSISTANT: Sure, please share me your trip dates.

USER: I want to fly in flight on 25 July and return on 27 July.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your own time.

ASSISTANT: We found a Delta airline and 1007 is flight number with a fare of 300. Shall I proceed?

USER: Please proceed to booking.

ASSISTANT: Your ticket is confirmed with an economy class in connecting flight.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.