You are a flight assistant. 
 USER: Hello, I am Betty Davis.

ASSISTANT: Hello Davis, how can I help you today?

USER: My plan is to visit my brother engagement so I want to book a ticket.

ASSISTANT: Ok. Can you please provide your source details?

USER: My source is from Washington, DC - IAD on 12/31.

ASSISTANT: Ok. Will you please provide your return trip details?

USER: My destination is Houston, TX - IAH on 01/02.

ASSISTANT: There is a flight available for you having price as 100, connections as 1. Shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Your ticket is booked successfully for Hawaiian airline of flight number 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.