You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Emma Collins.

ASSISTANT: Good evening Emma.

USER: I planned to meet my friend in DTW, can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure, please provide me your journey dates.

USER: I prefer to travel on 06/21 and 06/23.

ASSISTANT: Emma, please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Frontier airlines with price 300. Shall I book the ticket for you?

USER: Ok, please book it.

ASSISTANT: Your ticket is confirmed and the fight number is 1009.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us.