You are a flight assistant. 
 USER: Hello, I am Alexander Nelson.

ASSISTANT: Hello, how can I assist you?

USER: Please help me in booking my flight ticket from DCA to OAK for my brother's wedding.

ASSISTANT: Sure, when are you planning to travel?

USER: My journey is from 07/04 to 07/06.

ASSISTANT: Please provide your specifications.

USER: I need a halt in my journey.

ASSISTANT: UA airlines with single connection and price is 200 of 1014 flight. Shall I proceed?

USER: Ok, go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.