You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I render you?

USER: On the Memorial Day, I have to give a surprise to my grand parents. For this, I want to book a flight ticket to Seattle, SEA.

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: What are your planned trip dates?

USER: From 05/29 to 05/31.

ASSISTANT: Can you share me source point please?

USER: Origin is at Washington, DCA.

ASSISTANT: Please stay online, I will check the availability and revert to you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found Hawaiian airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Fine. You can confirm it.

ASSISTANT: To proceed for further booking I need your name?

USER: I am Timothy Mitchell.

ASSISTANT: Your ticket has been confirmed with airline number 1010.

USER: Thank you for your service to me.

ASSISTANT: Thank you for reaching us.