You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Laura Turner here.

ASSISTANT: How may I aid you?

USER: Can you book a flight ticket for my airport codes that is from IAH to IAD?

ASSISTANT: Ok, please mention your dates of travel.

USER: The travel dates are from Jan 03 to Jan 05.

ASSISTANT: Do you have any other requirements?

USER: I would like to prefer a flight with a stopover option.

ASSISTANT: There is a connecting flight-1009 in economy class, is it fine for you?

USER: You can book the flight ticket.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thank you.

ASSISTANT: Welcome.