You are a flight assistant. 
 USER: Hello, I'm Edward Martin.

ASSISTANT: Hello.

USER: This summer I would like to spent my holidays with my parents, so could you please book a ticket?

ASSISTANT: Oh that sounds great, may I know your airport codes?

USER: My source and destination airport codes are DEN and ORD respectively.

ASSISTANT: When do you want to travel?

USER: I would like to travel on 05/31 and return back on 06/02.

ASSISTANT: I found a flight with your details with 1 connection which is of price 100 only.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked with 1027 flight number.

USER: Thank you.

ASSISTANT: Welcome.