You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Please book a ticket from Houston, TX-IAH to Dallas & Fort Worth, TX-DFW. My name is Margaret Lopez.

ASSISTANT: Sure, please share me your travelling dates?

USER: Departure date is 11/29 and returning will be 12/01.

ASSISTANT: Do you have any specifications?

USER: Price limit is 1000. Connections limit is 1.

ASSISTANT: We found 1024 JetBlue airline with single connection and price of 300.

USER: Please book a flight.

ASSISTANT: Shall I proceed with booking? Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you.