You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Please help me to book a flight ticket from PHL to IAD.

ASSISTANT: Sure, do you need a lay by in between your journey?

USER: No.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I will start on July, 10 and return on July, 12.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: For booking purpose I required your name, can I know your name?

USER: John Phillips here.

ASSISTANT: We found a connecting flight 1000 from Hawaiian airline has fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.