You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Stephen Anderson here, I would like to book a ticket from HOU to SEA. Can you please help  me to book a ticket with connecting flight?

ASSISTANT: Sure, may I know your planned dates?

USER: My travelling dates will be on 03/19 to 03/21.

ASSISTANT: Do need any specification?

USER: I can afford up to 5000.

ASSISTANT: There is no flight on your details.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you.