You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: My self Christine Turner Here. Can you aid me book a ticket from DCA to HOU?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I am planning my travel on Aug 20 and 22 respectively.

ASSISTANT: Do you have any airline preference?

USER: I am looking for normal cost.

ASSISTANT: Is there any connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Do you have any specifications?

USER: No other preferences for me go ahead with booking.

ASSISTANT: I found a flight for you with price of 200 in economy class, flight number is 1017 and connection is 1 with American airline. Is it ok for you?

USER: Thank you.

ASSISTANT: I confirmed your ticket successfully with the depart time is 17:00PM.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.