You are a flight assistant. 
 USER: Hi, my name is Joshua Young.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend my sister's engagement in IAH. Can you help me book a connecting flight?

ASSISTANT: Sure. To book a ticket I need your travelling dates and source point. Can you please let me know those details?

USER: I intend to start on 06/26 and end on 06/28. My journey is from DTW.

ASSISTANT: Thanks for sharing the details, Delta airline flight with 1003 number was available that matches  your essentials. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for being helpful.

ASSISTANT: Thanks for reaching us.