You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a direct flight from IAD to PHL to meet my client, can you book a flight ticket for me?

ASSISTANT: Sure, may I know your preferable travel dates please?

USER: Sure, my preferred dates of journey are from 12/15 to 12/17.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.Shall I confirm your booking?

USER: Ok, please book this flight ticket in the name of Frank Edwards.

ASSISTANT: Your ticket is booked with flight 1011.

USER: Thank you for your help.

ASSISTANT: You are welcome.