You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: As I need to attend music festival, please book a ticket from Houston, TX-IAH to Seattle, WA-SEA. My name is Matthew Jackson.

ASSISTANT: Sure, please share me your travelling dates?

USER: Travelling dates are from 02/21 to 02/23.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: We found 1013 Frontier airline with single connection and price of 100. Shall I proceed with booking?

USER: May I know what is 1013?

ASSISTANT: 1013 is flight number.

USER: Please book a ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks.