You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Daniel Taylor.

ASSISTANT: What type of help that you are seeking from our agency?

USER: Can you please book a flight ticket from Washington DC as I need to attend a function in New York?

ASSISTANT: Sure, I can help you in ticket booking.

USER: Thank you.

ASSISTANT: May I know your genesis and terminus airport codes?

USER: Sure, I would like to travel from DCA to EWR.

ASSISTANT: May I know your departure and return flight dates of your journey?

USER: Sure, I need to travel on dates of 01/19 and 01/21.

ASSISTANT: Please give me a moment.

USER: Sure but please check with connection 1.

ASSISTANT: Sorry, no flights are moving on the dates which you have mentioned to reserve a seat in any of the flight.

USER: It's ok fine, no problem. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us, have a nice day.