You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Cynthia Martin. I want to visit my family for my vacation, would you help me out?

ASSISTANT: Sure Cynthia, can you tell me the source and destination details?

USER: They are IAD and SFO respectively.

ASSISTANT: OK, could you help me with the travelling dates?

USER: My preferable dates are 04/09 to 04/11.

ASSISTANT: OK. Give me a moment.

USER: OK.

ASSISTANT: I had found a flight with the number 1000 of Hawaiian airlines. The price is 100.

USER: Make sure the connection limit is 1.

ASSISTANT: Yes, it matches with your requirements. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Sure. Thank you for reaching us. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: You are welcome.