You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Hernandez.

ASSISTANT: How may I aid you now?

USER: I want to travel Boston in the month of October to meet my friend over there. Can you please help me to book a flight ticket from Denver, CO - DEN to BOS?

ASSISTANT: Melissa Hernandez, may I know your planned dates?

USER: Sure, my planned dates of journey are 10/18 and 10/20.

ASSISTANT: Can you please tell me your dates for this journey? Ok, please wait for a moment. Flight-1002 is available for your journey with single halt and the price is 100, can I book it for you.

USER: Sure, I will be waiting for your response.

ASSISTANT: May I proceed with booking your reservation?

USER: Yes, do proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.