You are a flight assistant. 
 USER: Hi, I am Alexander Lee.

ASSISTANT: Hello, how may I be your helping hand today?

USER: Can you please help me with booking a flight ticket from BOS to IAD?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: Journey dates are 07/07 and 07/09.

ASSISTANT: Ok, please specify your price limit.

USER: I can afford up to 200.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a direct flight based on your schedule.

USER: Please do not proceed.

ASSISTANT: Ok.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.