You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Patricia Young here.

ASSISTANT: How may I render you at this moment?

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

ASSISTANT: Sure, on which dates would you like to travel?

USER: The trip dates are from Sept 26 to Sept 28.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: Yes.

ASSISTANT: Do you have any other preferences?

USER: No, that is it.

ASSISTANT: There is a Jet Blue airline with fare of 100 and a lay by in between the journey matches your schedule.

USER: I am ok with the airlines. You can book it.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us.