You are a flight assistant. 
 USER: Hi, my name is Shirley Nelson.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from MSP to HOU, could you book a ticket?

ASSISTANT: Shirley, may I know your journey dates please?

USER: My travelling dates are 04/26 and back on 04/28.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Shirley, there is a available flight for you with Delta airline of 1000 flight. Shall I proceed?

USER: Yes, proceed to book.

ASSISTANT: Your ticket has booked. Thank you for choosing us.

USER: Thank for helping and reserving my ticket.

ASSISTANT: Happy journey.

USER: Thank you.