You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Ashley Evans, I want to book a flight from Houston to visit Trade Fair. Can you book a flight to Chicago?

ASSISTANT: Sure, help me with the trip dates?

USER: I will fly on Jan 5th and return on Jan 7th.

ASSISTANT: Let me know your airport codes?

USER: My source point is IAH and my destination is ORD.

ASSISTANT: Do you have any preferences?

USER: I want my return flight in afternoon. I also need a connecting flight.

ASSISTANT: We found a Frontier airlines with single connection and your return time in the afternoon. Shall I reserve it for you?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1027.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us. Have a safe flight.