You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Could you please avail me a flight ticket from Philadelphia, PHL to Washington, IAD?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: On which name should I book the flight ticket?

USER: Joshua Thomas here.

ASSISTANT: Please share me your travelling dates.

USER: My trip dates are 01/17 - 01/19.

ASSISTANT: Is there any other requirements?

USER: I prefer to travel in a normal - cost airline which is having a single connection.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I regret to inform you that there is no flight obtained on your journey dates to book a flight ticket.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.