You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Joshua Baker here.

ASSISTANT: Is there any emergency that I can do for you?

USER: I would like to book a ticket from DCA to ORD, can you please help me with that?

ASSISTANT: Sure, can you please let me know your moving and return trip travel dates?

USER: The travel dates are from 12/14 to 12/16.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT:  I have found a flight in economy class with a ticket fare of 100 and there is a 1 halt in between your journey, can I confirm your flight ticket booking?

USER: Please proceed.

ASSISTANT: Baker, as per your request your flight ticket booking is done in 1001 flight which is in UA airlines.

USER: Thank you.

ASSISTANT: You are welcome.