You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Elizabeth Harris. I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I would like to take off on 04/26 and return on 04/28.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: There is a connecting flight with number 1017 in airline UA, the fare is 200.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.