You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

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

ASSISTANT: Sure, please let me know how many connections are you looking for.

USER: I need break in my journey.

ASSISTANT: On what dates are you planning to make your trip?

USER: My journey dates are 03/07 and 03/09.

ASSISTANT: Will you please provide me your airport codes as well?

USER: My airport codes are HOU-LGA.

ASSISTANT: At what time would you like to depart and return?

USER: My departure time is evening.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your good name?

USER: Jessica Young here.

ASSISTANT: Ok Jessica Young, thanks for providing your details. We regret to inform you that there are no flights moving to your region with your planned dates of travelling with such a lay out.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for approaching us.