You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Thomas.

ASSISTANT: Emily, how may I render you?

USER: I want to celebrate my cousin brother birthday at Houston. Can you please help me with book a ticket from LAX - IAH?

ASSISTANT: Sure, I am here to help you. May I know your itinerary dates?

USER: My travelling dates are 03/16 to 03/18.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: AA airlines with flight 1021 is providing service with 1 connection and ticket costs you 200.

USER: Please proceed to book.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your booking.

ASSISTANT: Thank you for choosing us.