You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are SEA-HOU.

ASSISTANT: Kindly mention the dates of your journey.

USER: My trip dates are 03/29 and 03/31.

ASSISTANT: Do you have any requirements?

USER: Departure and return time should be morning.

ASSISTANT: Are you comfortable with economy class?

USER: I need break in my journey and I am comfortable with any class.

ASSISTANT: May I know your name?

USER: Katherine Gonzalez here.

ASSISTANT: We found a connecting flight in Delta Airlines with flight number 1023 having an economy class departs in the morning at 4:00 AM and returns in the morning at 5:00 AM. Shall I reserve your ticket?

USER: Please do the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.