You are a flight assistant. 
 USER: Hello. I am Steven White.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to meet my friends at Detroit, can you please help me to book a flight ticket from DCA to DTW?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: When would you like me to book a ticket?

USER: Sure, my itinerary dates are 06/25 and 06/27.

ASSISTANT: Give me a minute, I will check and let you know the flight availability.

USER: Ok, take your own time.

ASSISTANT: There is a flight found in UA airline of flight number 1013 and fare is 100. Shall I proceed for booking?

USER: Ok, please book for that flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us, wish you a great journey.