You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Walker.

ASSISTANT: How can I aid you?

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

ASSISTANT: Please share your travelling dates.

USER: I would like to depart on Oct 14th and return on Oct 16th.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: We found a flight in economy class with Southwest airline. Can I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is confirmed with flight 1001 and ticket fare of 100.

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

ASSISTANT: Thank you for choosing us.