You are a flight assistant. 
 USER: Hi, Michael Smith here.

ASSISTANT: Hello Smith, how can I help you today?

USER: I would like to go to Washington to attend a automobile workshop, can you book a ticket from SFO to DCA?

ASSISTANT: I will be happy to help you in booking your ticket, may I know your journey dates?

USER: Sure, my preferable dates of journey are from 07/29 to 07/31.

ASSISTANT: Can you please wait for sometime?

USER: Sure, I will wait for your reply.

ASSISTANT: Smith, flight-1001 in Hawaiian airlines is available with the ticket fare 100 only. Can I book the ticket?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked successfully and have a safe journey.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.