You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to travel from IAD to MSP. Can you please help me to book a ticket?

ASSISTANT: Please mention your travelling dates?

USER: My travelling dates will be on Oct 22 to Oct 24.

ASSISTANT: Can you help me with your name to book the flight ticket?

USER: John Edwards here.

ASSISTANT: Is there any connection limit you require?

USER: I would like to travel in a direct flight.

ASSISTANT: Ok, may I know your departure and arrival timings?

USER: I want to depart in the morning flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Ok, may I know your airline preference?

USER: I am comfortable to travel in any airline.

ASSISTANT: We hardly find your reservation but right now there is no reservation available.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.