You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER:  As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation?

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes are EWR-IAD.

ASSISTANT: Can you please share your preferred airport codes? I regret please provide travelling dates?

USER: My journey dates are 01/24 and 01/26.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I need break in my journey.

ASSISTANT: Can I know your good name please?

USER: Janet Jones here.

ASSISTANT: Do you have any other preferences?

USER: I am comfortable with normal cost airline.

ASSISTANT: We found a Hawaiian Airlines with fare of 100 and a lay by in between the journey matches your schedule. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed with flight number 1017.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.