You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Helen Thomas here, please book me a ticket from IAH to HOU.

ASSISTANT: Sure, please tell me your trip dates.

USER: My trip starts from 10/28 and ends on 10/30.

ASSISTANT: The AA airline with flight number 1000 is available having price as 200 and connection as 1.

USER: Please proceed for booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.