You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please can you help me to book a flight ticket from IAD to PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, please book a ticket for the dates Mar 4th and 6th respectively.

ASSISTANT: May I know your connection limit?

USER: No, I don't have any specification for this journey.

ASSISTANT: Your good name please.

USER: Ok, please book on the name Sandra Martinez.

ASSISTANT: Please wait for a moment.

USER: Please take your own time.

ASSISTANT: We found a direct airline: United Airlines, flight number: 1001 and price is 200.

USER: That is perfect, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the help in booking a flight ticket for me.

ASSISTANT: Thank you for reaching us.