You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Benjamin Walker. I am very excited as this trip is very special, I am going to hangout with my school friends after a long time.Can you please book a ticket from IAH to DTW?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 07/26 to 07/28.

ASSISTANT: The flight 1011 of Delta airlines is available on your requested dates. Shall I book the ticket?

USER: Please book this flight ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.