You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in doing a reservation from IAD to JFK?

ASSISTANT:  Sure, may I know your preferable dates of journey?

USER: My journey dates are Nov 16 to 18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications?

USER: I prefer normal-cost airline.

ASSISTANT: Please help me with your name for booking.

USER: I am Sarah Adams.

ASSISTANT: There are no flights found on your specified travel dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.