You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: I am David Martin. I want to book a flight ticket to meet my brother on his birthday at IL-ORD from WA-SEA. Can you help me?

ASSISTANT: Sure, please mention your planned dates of travel.

USER: 05/29 and 05/31 are my travelling dates.

ASSISTANT: Can you please mention if you need a connection in between your journey?

USER: I need a connecting flight to buy a gift for him.

ASSISTANT: Ok, give me sometime.

USER: Ok.

ASSISTANT: There is a Hawaiian airline available according to your requirements with flight number 1000 and price is 100.

USER: You can proceed it for booking.

ASSISTANT: Your reservation has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.