You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from LGA to IAH?

ASSISTANT: Let me know your travelling dates.

USER: I would like to depart on Dec 28th and return on Dec 30th.

ASSISTANT: Do you have any preference?

USER: I am looking for a connecting flight.

ASSISTANT: Can I know your name?

USER: I am Shirley Martin. And make sure that my return time must be morning.

ASSISTANT: Found ticket with United airlines for price 100.

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked in an economy class having flight number 1027.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you. Have a nice day!.