You are a flight assistant. 
 USER: Hi. John Miller here.

ASSISTANT: Hello, how can I aid you?

USER: Can you please reserve me a flight ticket from PHX to SEA?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are 08/09 - 08/11.

ASSISTANT: Do you have any preferences?

USER: I need a single connection.

ASSISTANT: May I know your name?

USER: John Miller.

ASSISTANT: There is a connecting flight with number 1009 in airline UA, the fare is 300 in economy class. Can I book it?

USER: Please reserve.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.