You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: To attend a press meet at Seattle, I would like to travel from Houston. Can you help me book a flight ticket within the fare of 5000?

ASSISTANT: Sure, when do you planned your trip dates?

USER: I intend to travel on 04/06 and 04/08.

ASSISTANT: Can you please let me know your airport codes?

USER: My journey is from IAH to SEA.

ASSISTANT: Do you need any way station in between journey?

USER: I choose a connecting flight.

ASSISTANT: May I know your good name please?

USER: Carolyn Turner is my name.

ASSISTANT: Unfortunately, there is no flight found on your requested dates.

USER: It's ok, thank you for the response.

ASSISTANT: Thanks for contacting us, wish you a great day.