You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Frank Gonzalez.

ASSISTANT: How may I help you?

USER: Can you please help me in flight ticket booking process from IAD to BOS?

ASSISTANT: Frank Gonzalez, I am here to help you for this. Could you please share me your travel dates?

USER: Thank you for your response, I want take off on Oct 20 and book my return ticket also on Oct 22.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: At what time are you planning to depart and return?

USER: I want to take off on evening time.

ASSISTANT: As per your data, I found a flight with Southwest Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your ticket is reserved in economy class with the flight-1020.Your departure time is 20:00 Pm, and again your arrival time is 19:00 PM.

USER: Thank you.

ASSISTANT: Thank you very much for approaching our agency.